Yaskawa Alarm Codes 1300 – 1899

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1300

SERVO CPU SYN- CHRONIZING ER- ROR

Connection failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, check the connection and insertion of the following cables and connectors.
∙EAXA21-CN515
∙YIF01-CN113

EAXA21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the EAXA21 board. Save the CMOS.BIN before replace the board to be safe.

other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

Alarm No.

Alarm Name

SUB-
Code

Meaning

Cause

Remedy

1301

COMMUNICATION ERROR(SERVO)

Communication sta- tus error

Connection failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, check the connection and insertion of the following cables and connectors.
∙EAXA21-CN515
∙YIF01-CN113

YPS21 unit failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, check the LED of the YPS21 unit: If any of the following red LED indications; +5V or +24V, FAN, OHT has lighten up, replace the YPS21 unit.

EAXA21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the EAXA21 board. Save the CMOS.BIN before replace the board to be safe.

YIF01 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YIF01 board. Save the CMOS.BIN before replace the board to be safe. Replace the YIF01 board, and then load the CMOS.BIN.

other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

Watchdog timer error

Connection failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, check the connection and insertion of the following cables and connectors.
∙EAXA21-CN515
∙YIF01-CN113

YPS21 unit failure

Alarm No.

Alarm Name

SUB-
Code

Meaning

Cause

Remedy

EAXA21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the EAXA21 board. Save the CMOS.BIN before replace the board to be safe.

YIF01 board failure

other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

JL0101 alarm

Connection failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, check the connection and insertion of the following cables and connectors.
∙EAXA21-CN515
∙YIF01-CN113

YPS21 unit failure

EAXA21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the EAXA21 board. Save the CMOS.BIN before replace the board to be safe.

YIF01 board failure

Alarm No.

Alarm Name

SUB-
Code

Meaning

Cause

Remedy

other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

Communication sta- tus error

Connection failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, check the connection and insertion of the following cables and connectors.
∙EAXA21-CN515
∙YIF01-CN113

YPS21 unit failure

EAXA21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the EAXA21 board. Save the CMOS.BIN before replace the board to be safe.

YIF01 board failure

other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

Data consistency er- ror

Connection failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, check the connection and insertion of the following cables and connectors.
∙EAXA21-CN515
∙YIF01-CN113

Alarm No.

Alarm Name

SUB-
Code

Meaning

Cause

Remedy

YPS21 unit failure

EAXA21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the EAXA21 board. Save the CMOS.BIN before replace the board to be safe.

YIF01 board failure

other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

1303

ARITHMETIC ER- ROR(SERVO)

The data [X ] indi- cates the generation process.
10000: Observer con- trol
20000: High-preci- sion path control
30000: Dynamics
40000: Disturbance observer control
The data [_YYY_] in- dicates the alarm con- tents.
The data [ Z] indi- cates the physical axis number.

Tool file setting error

(1) Check the following settings. Reexamine the tool file setting.
(Check the units of mass and center of gravity, positive/negative signs.)

Alarm No.

Alarm Name

SUB-
Code

Meaning

Cause

Remedy

Motor load error

(1) Check the followings.
Overload is applied to the robot. Correct the tools, the work piec- es, and the drive condition.

Software operation error occurred

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

1304

EX-AXIS BOARD NOT INSTALLED

Setting error

(1) Check the following settings.
Check the parameter setting of external axis selection.

Connection failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, check the connection and insertion of the following cables and connectors.
∙EAXA21-CNAX-EAXB21

EAXB board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the EAXA21 board. Save the CMOS.BIN before replace the board to be safe.

EAXA21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the EAXA21 board. Save the CMOS.BIN before replace the board to be safe.

other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

Alarm No.

Alarm Name

SUB-
Code

Meaning

Cause

Remedy

1306

AMPLIFIER TYPE MISMATCH

Sub Code: Signifies the axis in which the alarm occurred

Setting error

(1) Check the following settings.
∙Check the current capacity of the amplifier before/after replace- ment by the model described in board.
∙When the external axis is mounted, check if there is no differ- ence between the amplifier selected at configuration and the amplifier that is actually mounted.
Reference parameter: after SVPxG232

Connection failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, check the connection and insertion of the following cables and connectors.
∙EAXA21-CN501to 506
∙EAXB21-CN531,532,533
∙Amplifier-CN581
∙EX1SV(Extrnal axis SERVO pack)-CN591,595
∙SGDM (Large Capacity)-CN1

Module failure (ampli- fier)

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the amplifier.

EAXA21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the EAXA21 board. Save the CMOS.BIN before replace the board to be safe.

other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

1307

ENCODER TYPE MISMATCH

Sub Code: Signifies the axis in which the alarm occurred

Setting error

(1) Check the following settings.
∙Check the motor type before and after the replacement.
∙When the external axis is mounted, check if there is no differ- ence between the motor selected at configuration and the motor that is actually mounted.

Alarm No.

Alarm Name

SUB-
Code

Meaning

Cause

Remedy

Connection failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, check the connection and insertion of the following cables and connectors.
∙EAXA21-CN508
∙EAXB21-CN534,535,536

Module failure (en- coder)

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the encoder.

EAXA21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the EAXA21 board. Save the CMOS.BIN before replace the board to be safe.

Software operation error occurred

1308

CONVERTER TYPE MISMATCH

Sub Code: Signifies the converter in which the alarm occurred

Setting error

(1) Check the following settings.
∙Check the current capacity of the amplifier before/after replace- ment by the model described in board.
∙When the external axis is mounted, check if there is no differ- ence between the converter selected at configuration and the converter that is actually mounted.
Reference parameter: after SVCxB040

Connection failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, check the connection and insertion of the following cables and connectors.
∙EAXA21-CN507,510
∙EAXB21-CN531,532,533
∙Converter-CN551,553
∙EX1SV(External axis SERVO pack)-CN591,592

Alarm No.

Alarm Name

SUB-
Code

Meaning

Cause

Remedy

Module failure (con- verter)

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the converter.

EAXA21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the EAXA21 board.
Save the CMOS.BIN before replace the board to be safe.

Software operation error occurred

1309

HARDWARE ER- ROR (CONVERTER)

Module failure (con- verter)

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the converter.

other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

1310

CHARGE ERROR (CONVERTER)

Module failure (con- verter)

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the converter.

Primary power failure

Check if the primary power supply voltage does not drop with a tester, etc.

other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

1311

A/D DETECTION ERROR (CONVERTER)

Module failure (con- verter)

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the converter.

other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

Alarm No.

Alarm Name

SUB-
Code

Meaning

Cause

Remedy

1312

ID ERROR (CONVERTER)

SUB-Code: Signifies the converter in which the alarm occurred

Module failure (con- verter)

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the converter.

other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

1313

COMMAND ER- ROR(SERVO)

Software operation error occurred

1314

VERIFY ERROR (PARAMETER) (SERVO)

Software operation error occurred

1316

COMMUNICATION WDT ERROR(SER- VO)

Connection failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, check the connection and insertion of the following cables and connectors.
∙EAXA21-CN515
∙YIF01-CN113

EAXA21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the EAXA21 board. Save the CMOS.BIN before replace the board to be safe.

YIF01 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YCP21 board. Save the CMOS.BIN before replace the board to be safe.
Replace the YCP21 board, and then remove the CF from the failure YCP21 board to insert it into the new YCP21 board.

Alarm No.

Alarm Name

SUB-
Code

Meaning

Cause

Remedy

other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

1317

COMMAND TIME- OUT(SERVO)

Sub Code: Signifies the axis in which the alarm occurred

Software operation error occurred

1318

CANNOT EXE- CUTE COM- MAND(SERVO)

Sub Code: Signifies the axis in which the alarm occurred

Software operation error occurred

1319

SERIAL ENCODER MODULE ERROR

Module failure (en- coder)

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the encoder.

other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

1320

SERIAL ENCODER SENSOR ERROR

Module failure (en- coder)

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the encoder.

other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

1321

BRAKE BOARD ERROR

Connection failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, check the connection and insertion of the following cables and connectors.
∙YFC22-CN219(AXDIN, AXIN)
∙YSF22-CN219
(3)Check the connection of wiring around the brake circuit board.

Alarm No.

Alarm Name

SUB-
Code

Meaning

Cause

Remedy

other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAW representative about occurrence status (operating procedure).

1325

COMMUNICATION ERROR(ENCOD- ER)

Sub Code: Signifies the axis in which the alarm occurred

Connection failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, check the connection and insertion of the following cables and connectors.
[Robot axis]
∙Cable between encoders
∙EAXA21-CN508
[External axis]
∙Cable between encoders
∙EAXB21-CN0534,535,536
[Controller for painting use]
·YIS21-CN664,665
·YIS22-CNPGA,CNPGB,CNPGC,CNPG123,CNPG456,CN- PG7,CN670,CN671,CN672,CN673,CN674
·YIS23-CNPGD,CNPG1,CNPG2,CNPG3,CN675,CN676

Module failure (en- coder)

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the encoder.

EAXA21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the EAXA21 board. Save the CMOS.BIN before replace the board to be safe.

YIS22,YIS23 board failure

[Controller for painting use]
(1) Cycle the power.
(2) If the alarm occurs again, replace the YIS22, YIS23 board.

Alarm No.

Alarm Name

SUB-
Code

Meaning

Cause

Remedy

YIS21 board failure

[Controller for painting use]
(1) Cycle the power.
(2) If the alarm occurs again, replace the YIS21 board.
Be sure to configure the switch setting (timer setting) at YIS21 board same as before replacement.

other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

1326

DEFECTIVE EN- CODER ABSO- LUTE DATA

Sub Code: Signifies the axis in which the alarm occurred

Connection failure

Module failure (en- coder)

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the encoder.

EAXA21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the EAXA21 board and the EAXB board.
Save the CMOS.BIN before replace the board to be safe.

other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

Alarm No.

Alarm Name

SUB-
Code

Meaning

Cause

Remedy

1327

ENCODER OVER SPEED

Sub Code: Signifies the axis in which the alarm occurred

Connection failure

(1) Turn the power OFF then back ON.
(2) Before turning the SERVO power OFF, change the manipu- lator posture so that any axes won’t drop when the SERVO pow- er is turned ON.
(3) If the alarm occurs again in combination with encoder back- up error, replace the battery of the appropriate axis.
(4) If the alarm occurs again, check the connection and insertion of the following cables and connectors.
[Robot axis]
∙Cable between encoders
∙EAXA21-CN508
[External axis]
∙Cable between encoders
∙EAXB21-CN0534,535,536

Encoder failure

Replace the defective motor (encoder).

YBK21 board failure

(1) Check the following settings.
Check whether to find error in the brake slip and the brake con- trol relay.

other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

Alarm No.

Alarm Name

SUB-
Code

Meaning

Cause

Remedy

1328

DEFECTIVE EN- CODER

Sub Code: Signifies the axis in which the alarm occurred

Connection failure

Module failure (en- coder)

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the encoder.

EAXA21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the EAXA21 board. Save the CMOS.BIN before replace the board to be safe.

other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

1329

DEFECTIVE SERI- AL ENCODER COMMAND

Sub Code: Signifies the axis in which the alarm occurred

Connection failure

Alarm No.

Alarm Name

SUB-
Code

Meaning

Cause

Remedy

Module failure (en- coder)

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the encoder.

EAXA21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the EAXA21 board. Save the CMOS.BIN before replace the board to be safe.

other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

1330

MICRO PROGRAM TRANSMIT ERROR

Sub Code: Signifies the axis in which the alarm occurred

EAXA21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the EAXA21 board. Save the CMOS.BIN before replace the board to be safe.

other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

1331

CONVERTER CHARGE ERR(CONVERTER)

Connection failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, check the connection and insertion of the following cables and connectors.
∙EAXA21-CN507,510
∙EAXB21-CN531,532,533
∙Converter CN551,553
∙EX1SV(External axis SERVO pack)-CN591,592

Primary power failure

Check if the primary power supply voltage does not drop.

Module failure (con- verter)

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the converter.

other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

Alarm No.

Alarm Name

SUB-
Code

Meaning

Cause

Remedy

1332

POSITION ERROR

EAXA21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the EAXA21 board. Save the CMOS.BIN before replace the board to be safe.
∙Check the position after the alarm.

Connection failure

Noise interference

Check the following settings.
∙Check the grounding condition of Manipulator.
∙Install a ferrite core to the motor power line.

other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

1333

POSITION ERROR (SERIAL ENCOD- ER)

EAXA21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the EAXA21 board. Save the CMOS.BIN before replace the board to be safe.

Alarm No.

Alarm Name

SUB-
Code

Meaning

Cause

Remedy

Connection failure

Noise interference

Check the following settings.
∙Check the grounding condition of robot.
∙Install a ferrite core to the motor power line.

other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

1335

ENCODER NOT RESET

Sub Code: Signifies the axis in which the alarm occurred

Battery failure

Replace the battery.

Module failure (en- coder)

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the encoder.

EAXA21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the EAXA21 board. Save the CMOS.BIN before replace the board to be safe.

other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

1339

OVER SPEED LIM- IT

Setting error

Check the JOB.

Alarm No.

Alarm Name

SUB-
Code

Meaning

Cause

Remedy

other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

1341

SERVO OVERRUN ERROR

Motion range error

Check if the overrun limit switch is activated by the manipulator.

Connection failure

Check the overrun line.

other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

1343

COMMUNICATION ERROR (CONVERTER)

101

Communication sta- tus error (The first dig- it shows the converter No.)

Connection failure

Module failure (con- verter)

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the converter.

EAXA21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the EAXA21 board. Save the CMOS.BIN before replace the board to be safe.

other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

Alarm No.

Alarm Name

SUB-
Code

Meaning

Cause

Remedy

102

Command timeout (The first digit shows the converter No.)

Connection failure

Module failure (con- verter)

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the converter.

EAXA21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the EAXA21 board. Save the CMOS.BIN before replace the board to be safe.

other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

103

Transmission buffer FULL (The first digit shows the converter No.)

Connection failure

Module failure (con- verter)

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the converter.

EAXA21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the EAXA21 board. Save the CMOS.BIN before replace the board to be safe.

Alarm No.

Alarm Name

SUB-
Code

Meaning

Cause

Remedy

other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

104

CRC-16 failure (The first digit shows the converter No.)

Connection failure

Module failure (con- verter)

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the converter.

EAXA21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the EAXA21 board. Save the CMOS.BIN before replace the board to be safe.

other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

105

Error code received (The first digit shows the converter No.)

Connection failure

Module failure (con- verter)

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the converter.

Alarm No.

Alarm Name

SUB-
Code

Meaning

Cause

Remedy

EAXA21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the EAXA21 board. Save the CMOS.BIN before replace the board to be safe.

other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

106

Receive command error (The first digit shows the converter No.)

Connection failure

Module failure (con- verter)

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the converter.

EAXA21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the EAXA21 board. Save the CMOS.BIN before replace the board to be safe.

other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

201

Communication sta- tus error (The first dig- it shows the converter No.)

Connection failure

Alarm No.

Alarm Name

SUB-
Code

Meaning

Cause

Remedy

Module failure (con- verter)

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the converter.

EAXA21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the EAXA21 board. Save the CMOS.BIN before replace the board to be safe.

other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

202

Command timeout (The first digit shows the converter No.)

Connection failure

Module failure (con- verter)

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the converter.

EAXA21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the EAXA21 board. Save the CMOS.BIN before replace the board to be safe.

other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

Alarm No.

Alarm Name

SUB-
Code

Meaning

Cause

Remedy

203

Transmission buffer FULL (The first digit shows the converter No.)

Connection failure

Module failure (con- verter)

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the converter.

EAXA21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the EAXA21 board. Save the CMOS.BIN before replace the board to be safe.

other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

204

CRC-16 failure (The first digit shows the converter No.)

Connection failure

Module failure (con- verter)

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the converter.

EAXA21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the EAXA21 board. Save the CMOS.BIN before replace the board to be safe.

Alarm No.

Alarm Name

SUB-
Code

Meaning

Cause

Remedy

other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

205

Error code received (The first digit shows the converter No.)

Connection failure

Module failure (con- verter)

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the converter.

EAXA21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the EAXA21 board. Save the CMOS.BIN before replace the board to be safe.

other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

206

Receive command error (The first digit shows the converter No.)

Connection failure

Module failure (con- verter)

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the converter.

Alarm No.

Alarm Name

SUB-
Code

Meaning

Cause

Remedy

EAXA21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the EAXA21 board. Save the CMOS.BIN before replace the board to be safe.

other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

301

Communication sta- tus error (The first dig- it shows the converter No.)

Connection failure

Module failure (con- verter)

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the converter.

EAXA21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the EAXA21 board. Save the CMOS.BIN before replace the board to be safe.

other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

302

Command timeout (The first digit shows the converter No.)

Connection failure

Alarm No.

Alarm Name

SUB-
Code

Meaning

Cause

Remedy

Module failure (con- verter)

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the converter.

EAXA21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the EAXA21 board. Save the CMOS.BIN before replace the board to be safe.

other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

303

Transmission buffer FULL (The first digit shows the converter No.)

Connection failure

Module failure (con- verter)

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the converter.

EAXA21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the EAXA21 board. Save the CMOS.BIN before replace the board to be safe.

other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

Alarm No.

Alarm Name

SUB-
Code

Meaning

Cause

Remedy

304

CRC-16 failure (The first digit shows the converter No.)

Connection failure

Module failure (con- verter)

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the converter.

EAXA21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the EAXA21 board. Save the CMOS.BIN before replace the board to be safe.

other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

305

Error code received (The first digit shows the converter No.)

Connection failure

Module failure (con- verter)

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the converter.

EAXA21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the EAXA21 board. Save the CMOS.BIN before replace the board to be safe.

Alarm No.

Alarm Name

SUB-
Code

Meaning

Cause

Remedy

other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

306

Receive command error (The first digit shows the converter No.)

Connection failure

Module failure (con- verter)

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the converter.

EAXA21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the EAXA21 board. Save the CMOS.BIN before replace the board to be safe.

other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

401

Communication sta- tus error (The first dig- it shows the converter No.)

Connection failure

Module failure (con- verter)

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the converter.

Alarm No.

Alarm Name

SUB-
Code

Meaning

Cause

Remedy

EAXA21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the EAXA21 board. Save the CMOS.BIN before replace the board to be safe.

other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

402

Command timeout (The first digit shows the converter No.)

Connection failure

Module failure (con- verter)

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the converter.

EAXA21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the EAXA21 board. Save the CMOS.BIN before replace the board to be safe.

other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

403

Transmission buffer FULL (The first digit shows the converter No.)

Connection failure

Alarm No.

Alarm Name

SUB-
Code

Meaning

Cause

Remedy

Module failure (con- verter)

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the converter.

EAXA21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the EAXA21 board. Save the CMOS.BIN before replace the board to be safe.

other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

404

CRC-16 failure (The first digit shows the converter No.)

Connection failure

Module failure (con- verter)

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the converter.

EAXA21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the EAXA21 board. Save the CMOS.BIN before replace the board to be safe.

other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

Alarm No.

Alarm Name

SUB-
Code

Meaning

Cause

Remedy

405

Error code received (The first digit shows the converter No.)

Connection failure

Module failure (con- verter)

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the converter.

EAXA21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the EAXA21 board. Save the CMOS.BIN before replace the board to be safe.

other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

406

Receive command error (The first digit shows the converter No.)

Connection failure

Module failure (con- verter)

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the converter.

EAXA21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the EAXA21 board. Save the CMOS.BIN before replace the board to be safe.

Alarm No.

Alarm Name

SUB-
Code

Meaning

Cause

Remedy

other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

501

Communication sta- tus error (The first dig- it shows the converter No.)

Connection failure

Module failure (con- verter)

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the converter.

EAXA21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the EAXA21 board. Save the CMOS.BIN before replace the board to be safe.

other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

502

Command timeout (The first digit shows the converter No.)

Connection failure

Module failure (con- verter)

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the converter.

Alarm No.

Alarm Name

SUB-
Code

Meaning

Cause

Remedy

EAXA21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the EAXA21 board. Save the CMOS.BIN before replace the board to be safe.

other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

503

Transmission buffer FULL (The first digit shows the converter No.)

Connection failure

Module failure (con- verter)

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the converter.

EAXA21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the EAXA21 board. Save the CMOS.BIN before replace the board to be safe.

other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

504

CRC-16 failure (The first digit shows the converter No.)

Connection failure

Alarm No.

Alarm Name

SUB-
Code

Meaning

Cause

Remedy

Module failure (con- verter)

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the converter.

EAXA21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the EAXA21 board. Save the CMOS.BIN before replace the board to be safe.

other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

505

Error code received (The first digit shows the converter No.)

Connection failure

Module failure (con- verter)

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the converter.

EAXA21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the EAXA21 board. Save the CMOS.BIN before replace the board to be safe.

other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

Alarm No.

Alarm Name

SUB-
Code

Meaning

Cause

Remedy

506

Receive command error (The first digit shows the converter No.)

Connection failure

Module failure (con- verter)

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the converter.

EAXA21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the EAXA21 board. Save the CMOS.BIN before replace the board to be safe.

other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

601

Communication sta- tus error (The first dig- it shows the converter No.)

Connection failure

Module failure (con- verter)

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the converter.

EAXA21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the EAXA21 board. Save the CMOS.BIN before replace the board to be safe.

Alarm No.

Alarm Name

SUB-
Code

Meaning

Cause

Remedy

other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

602

Command timeout (The first digit shows the converter No.)

Connection failure

Module failure (con- verter)

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the converter.

EAXA21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the EAXA21 board. Save the CMOS.BIN before replace the board to be safe.

other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

603

Transmission buffer FULL (The first digit shows the converter No.)

Connection failure

Module failure (con- verter)

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the converter.

Alarm No.

Alarm Name

SUB-
Code

Meaning

Cause

Remedy

EAXA21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the EAXA21 board. Save the CMOS.BIN before replace the board to be safe.

other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

604

CRC-16 failure (The first digit shows the converter No.)

Connection failure

Module failure (con- verter)

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the converter.

EAXA21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the EAXA21 board. Save the CMOS.BIN before replace the board to be safe.

other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

605

Error code received (The first digit shows the converter No.)

Connection failure

Alarm No.

Alarm Name

SUB-
Code

Meaning

Cause

Remedy

Module failure (con- verter)

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the converter.

EAXA21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the EAXA21 board. Save the CMOS.BIN before replace the board to be safe.

other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

606

Receive command error (The first digit shows the converter No.)

Connection failure

Module failure (con- verter)

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the converter.

EAXA21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the EAXA21 board. Save the CMOS.BIN before replace the board to be safe.

other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

Alarm No.

Alarm Name

SUB-
Code

Meaning

Cause

Remedy

1345

SAFE CIRCUIT SIGNAL NOT SAME(SV)

Sub Code: XYY (Sig- nifies the power-ON unit No. and un- matched signal No.)
X: Power-ON unit0: Power-ON unit1 (TU#1)
1: Power-ON unit2 (TU#2)
2: Power-ON unit3 (TU#3)
3: Power-ON unit4 (TU#4)
4: Power-ON unit5 (TU#5)
5: Power-ON unit6 (TU#6)
YY: Unmatched sig- nal
01: KMMA signal un- matched error
02: SVMAIN signal unmatched error
03: SVMAIN1/2 sig-
nal unmatched error
04: IORDY signal un- matched error

Connection failure

Check if the unmatched two double-checked signals are in agreement.

Alarm No.

Alarm Name

SUB-
Code

Meaning

Cause

Remedy

1345

SAFE CIRCUIT SIGNAL NOT SAME(SV)

06: FUCUT signal un- matched error
07: SHOCK1 signal unmatched error
08: EXOT signal un- matched error
09: OT signal un- matched error
10: TUSONER signal unmatched error
11: SVCMPER signal unmatched error
12: TCER signal un- matched error
13: SON_OUT signal unmatched error
14: BRRVER signal unmatched error
60: Error due to un- matched output sig- nal for SERVO board failure
61: Error due to un- matched signal for the main contractor state (closed contact)
62: Error due to un- matched signal for the main contractor state (open contact)

Connection failure

Check if the unmatched two double-checked signals are in agreement.

Alarm No.

Alarm Name

SUB-
Code

Meaning

Cause

Remedy

1345

SAFE CIRCUIT SIGNAL NOT SAME(SV)

63: Error due to un- matched input signal for the main contrac- tor control relay
64: Error due to un- matched input signal for the OT recovery
65: Error due to un- matched input signal for the external WDT
66: Error due to un- matched 1FB input signal: the brake re- lease control signal E.g.)
SUB-Code: 208
EXOT signal of the Power-ON unit2 (TU#2) is unmatched.

Connection failure

Check if the unmatched two double-checked signals are in agreement.

other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

1349

POWER LOST DE- TECTION (EAXA21/02)

Instant power failure

Check if the primary power supply voltage is dropping.

other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

Alarm No.

Alarm Name

SUB-
Code

Meaning

Cause

Remedy

1352

SERIAL ENCODER CORRECTION ER- ROR

Sub Code: Signifies the axis in which the alarm occurred

Connection failure

Module failure (en- coder)

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the encoder.

EAXA21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the EAXA21 board. Save the CMOS.BIN before replace the board to be safe.

other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

Alarm No.

Alarm Name

SUB-
Code

Meaning

Cause

Remedy

1355

SERIAL ENC MUL- TITURN LIMIT ERR

Sub Code: Signifies the axis in which the alarm occurred

Connection failure

Module failure (en- coder)

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the encoder.

EAXA21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the EAXA21 board. Save the CMOS.BIN before replace the board to be safe.

other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

1356

SPECIFIED AXIS ERROR

Setting error

Check the JOB setting.

other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

1357

PRESS ERROR

Setting error

Check the JOB setting.

other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

1360

PA NOT IN- STALLED

Connection failure

Check the inserting and connection of pre-aligner.

other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

Alarm No.

Alarm Name

SUB-
Code

Meaning

Cause

Remedy

1365

GROUND FAULT

Sub Code: Signifies the axis in which the alarm occurred.
(If the alarm occurred at an axis which is driven by a common converter, all the sub- ject axes are indicat- ed.)

Connection failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, check the connection and inserting state of the following cables and connectors.
< EAXA21-CN507,510
< Converter CN551,553,555
< EX1SV (External axis SERVO PACK)-CN592
< YPU unit-CN604

Connection failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the following cables. Check the axis in which earth fault occurs in the alarm history screen.
If both robot axes and external axes use the same type convert- er, the earth fault may occur on the external axis not the robot axis. (There is also a possibility that it is stained by water)
(1) External axis cables (Power wire)
(2) Traveling axis cable (Power wire)
(3) Power supply cable (Robot axis, external axis) (Power wire)
(4) Internal cables (Robot axis, external axis) (Power wire)

Module failure(Re- generative resistor)

Check if there is no ground fault in the regeneration resistors.

GND wiring failure

(1) Turn the power OFF then back ON.
(2) If the alarm repeats, check the voltage of the primary power and GND. If the voltage amount on each RST varies more than 100V, review the GND setting.

Module failure(motor)

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the motor.

Module failure(ampli- fier)

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the amplifier.

Alarm No.

Alarm Name

SUB-
Code

Meaning

Cause

Remedy

Module failure (con- tactor)

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the contactor.

EAXA21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the EAXA21 board. Save the CMOS.BIN before replacing the board to be safe.

YPU unit failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF21 board.
Save the CMOS.BIN before replacing the YPU unit to be safe.

other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

1366

WDT ERROR (CONVERTER)

Sub Code: Signifies the physical No. of converter in which the alarm occurred

Connection failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, check the connection and inserting state of the following cables and connectors.
< EAXA21-CN507,510
< EAXB21-CN531,532,533
< Converter CN551,553
< EX1SV (External axis SERVO PACK)-CN591,592

Module failure(con- verter)

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the converter.

EAXA21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the EAXA21 board. Save the CMOS.BIN before replacing the board to be safe.

other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

Alarm No.

Alarm Name

SUB-
Code

Meaning

Cause

Remedy

1367

OVERVOLTAGE (CONVERTER)

Sub Code: Signifies the physical No. of converter in which the alarm occurred

Connection failure

Setting error

Check the following settings.
< The load mounted on the manipulator

Voltage failure

Modify the primary breaker voltage to the specified voltage 200V(+10<< 15< ).

Module failure(Re- generative resistor)

(1)Disconnect the converter CN557 to check if there is no cable disconnection.
(2)If disconnected, replace the regenerative resistor.

Module failure(con- verter)

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the converter.

EAXA21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the EAXA21 board. Save the CMOS.BIN before replacing the board to be safe.

other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

1368

REGENERATIVE TROUBLE (CONVERTER)

Sub Code: Signifies the axis in which the alarm occurred

Connection failure

Module failure(Re- generative resistor)

Replace the regenerative resistor.

Alarm No.

Alarm Name

SUB-
Code

Meaning

Cause

Remedy

Module failure(con- verter)

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the converter.

EAXA21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the EAXA21 board. Save the CMOS.BIN before replacing the board to be safe.

Overloading

Check that the load does not exceed the allowable limit.

other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

1369

INPUT POWER OVER VOLT- AGE(CONV)

Sub Code: Signifies the physical No. of converter in which the alarm occurred

Voltage failure

Modify the primary breaker voltage to the specified voltage 200V(+10<< 15< ).

Connection failure

Module failure(con- verter)

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the converter.

EAXA21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the EAXA21 board. Save the CMOS.BIN before replacing the board to be safe.

other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

Alarm No.

Alarm Name

SUB-
Code

Meaning

Cause

Remedy

1400

ENCODER ER- ROR(CONVEYOR)

Conveyor encoder 1 is abnormal.

Connection failure, Module failure (en- coder)

Replace the cable of the conveyor encoder 1 or encoder.

other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

Conveyor encoder 2 is abnormal.

Connection failure, Module failure (en- coder)

Replace the cable of the conveyor encoder 2 or encoder.

other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

Conveyor encoder 3 is abnormal.

Connection failure, Module failure (en- coder)

Replace the cable of the conveyor encoder 3 or encoder.

other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

1401

CANNOT CHANGE CONVEYOR MODE

Input error

Do not switch “Encoder / Virtual encoder” with the general signal while performing the conveyor synchronized function.

other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

1402

WORK IN/NOT DATA CNT. LMT. OVER

Work status error

Check the work in/not shift data and actual the work status with- in the shift area.

other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

Alarm No.

Alarm Name

SUB-
Code

Meaning

Cause

Remedy

1403

WORK IN/NOT SHIFT DATA POS LMT.

Work status error

Check the work in/not shift data and actual the work status with- in the shift area.

other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

1404

WORK ID. DATA CNT. LMT. OVER

Work status error

Check the work in/not shift data and actual the work status with- in the shift area.

other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

1405

WORK ID. SHIFT DATA POS LMT.

Work status error

Check the work in/not shift data and actual the work status with- in the shift area.

other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

1406

START SHIFT DATA CNT. LMT. OVER

Work status error

Check the start shift data and actual the work status within the shift area.

other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

1407

START SHIFT DATA POS LMT.

Work status error

Check the start shift data and actual the work status within the shift area.

other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

1420

SYSTEM ER- ROR(BENDING)

Sub Code: 1-221
It is the kind of sensor process error of Bending function.

Software operation error occurred

Alarm No.

Alarm Name

SUB-
Code

Meaning

Cause

Remedy

1421

ENCODER ER- ROR(LNR SCALE)

Sub code: Linear scale port number

Linear scale or the connection failure

(1)Check the linear scale value and the connection.

other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

1422

CANNOT CHANGE ENCODER INPUT

Software operation error occurred

1437

PORT OPEN ER- ROR

Software operation error occurred

1500

SAFETY CIRCUIT FAULT(SERVO I/O)

Circuit board failure (YPU unit)

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YPU unit. Save the CMOS.BIN before replace the board to be safe.

other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

1501

SVMX RELAY STICKING(SERVO I/O)

Circuit board failure (YPU unit)

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YPU unit. Save the CMOS.BIN before replace the board to be safe.

other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

1502

CONTACTOR STICKING (SERVO I/O)

Circuit board failure (YPU unit)

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YPU unit. Save the CMOS.BIN before replace the board to be safe.

other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

Alarm No.

Alarm Name

SUB-
Code

Meaning

Cause

Remedy

1503

SAFETY CIRCUIT IN FAULT(SV I/O)

Circuit board failure (YPU unit)

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YPU unit. Save the CMOS.BIN before replace the board to be safe.

other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

1504

TUSON RELAY STICKING (SERVO I/O)

Circuit board failure (YPU unit)

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YPU unit. Save the CMOS.BIN before replace the board to be safe.

other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

1506

BROKEN CONTAC- TOR FUSE(SERVO I/O)

Circuit board failure (YPU unit)

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YPU unit. Save the CMOS.BIN before replace the board to be safe.

other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

1507

BROKEN S_ON FUSE(SERVO I/O)

Circuit board failure (YPU unit)

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YPU unit. Save the CMOS.BIN before replace the board to be safe.

other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

1508

SAFETY CIRCUIT WDT ERROR(SV I/ O)

Circuit board failure (YPU unit)

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YPU unit. Save the CMOS.BIN before replace the board to be safe.

other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

Alarm No.

Alarm Name

SUB-
Code

Meaning

Cause

Remedy

1509

EXTERNAL WDT OVER(SERVO I/O)

Circuit board failure (YPU unit)

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YPU unit. Save the CMOS.BIN before replace the board to be safe.

other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

1510

EXTERNAL WDT BROKEN(SERVO I/ O)

Circuit board failure (YPU unit)

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YPU unit. Save the CMOS.BIN before replace the board to be safe.

other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

1511

COMMUNICATION ERR (PLDs)(SERVO I/O)

Circuit board failure (YPU unit)

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YPU unit. Save the CMOS.BIN before replace the board to be safe.

other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

1512

POWER SUPPLY FAN ERROR(SER- VO)

Connection failure

Check the power supply cable of the cooling fan in the CPS power unit.

Circuit board failure (YPU unit)

Check the cooling fan in the CPS power unit is working. Replace the CPS power unit.

Install failure

Check that the air inlet or outlet is not blocked.

other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

1513

POWER SUPPLY OVERHEAT(SER- VO)

The temperature ris- es in the controller

Turn the power OFF then back ON after cooling the controller.

Alarm No.

Alarm Name

SUB-
Code

Meaning

Cause

Remedy

Connection failure

Check the power supply cable of the cooling fan in the CPS power unit.

Circuit board failure (YPU unit)

Replace the CPS power unit.

other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

1514

OVERHEAT (AMPLIFIER)

The temperature ris- es in the amplifier

Turn the power OFF then back ON after cooling the amplifier.

Connection failure

Module failure (con- verter)

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the converter.

EAXA21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the EAXA21 board. Save the CMOS.BIN before replace the board to be safe.

other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

1515

SON_OUT RELAY STICKING (SERVO I/O)

Circuit board failure (YPU unit)

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YPU unit. Save the CMOS.BIN before replace the board to be safe.

Alarm No.

Alarm Name

SUB-
Code

Meaning

Cause

Remedy

other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

1516

BRRCER RELAY STICKING (SERVO I/O)

Circuit board failure (YPU unit)

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YPU unit. Save the CMOS.BIN before replace the board to be safe.

other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

1547

CURRENT FEED- BACK ERROR

The data [XXX ] in- dicates the alarm con- tents.
200:The motor cur- rent value is abnor- mal.
The data [ Y] indicates the physical axis number.

Ground fault

Check if a ground fault has not occurred in the U-, V-, and W- phase of motor power line, or short circuit has not occurred be- tween these phases.

Connection failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, check the connection and insertion of the following cables and connectors.
∙EAXA21-CN501 to 506,-CN521
∙EAXB21-CN531,532,533
∙YSF22-CN217
∙Amplifier-CN581
∙Converter-CN552A
∙EX1SV(External axis SERVO pack)-CN591,595

Module failure (ampli- fier)

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the amplifier.

Alarm No.

Alarm Name

SUB-
Code

Meaning

Cause

Remedy

Module failure (mo- tor)

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the motor.

EAXA21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the EAXA21 board and EAXB board. Save the CMOS.BIN before replace the board to be safe.

other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

1592

MONITOR PLD ER- ROR 1(SERVO I/O)

Circuit board failure (YPU unit)

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YPU unit. Save the CMOS.BIN before replace the board to be safe.

other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

1593

MONITOR PLD ER- ROR 2(SERVO I/O)

Circuit board failure (YPU unit)

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YPU unit. Save the CMOS.BIN before replace the board to be safe.

other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

1594

MONITOR PLD ER- ROR 3(SERVO I/O)

Circuit board failure (YPU unit)

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YPU unit. Save the CMOS.BIN before replace the board to be safe.

other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

Alarm No.

Alarm Name

SUB-
Code

Meaning

Cause

Remedy

1610

F-SAFE CPU SYN- CHRO ERROR

Connection failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, check the connection and insertion of the following cables and connectors.
∙EAXA21-CN515
∙YIF01-CN113
∙YSF25-CNBX

YSF25 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF25 board. Save the CMOS.BIN before replace the board to be safe.

YIF01 board failure

other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

1612

F-SAFE COMMUNI- CATION ERROR

Communication sta- tus error

Connection failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, check the connection and insertion of the following cables and connectors.
∙EAXA21-CN515
∙YIF01-CN113
∙YSF25-CNBX

YSF25 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF25 board. Save the CMOS.BIN before replace the board to be safe.

YIF01 board failure

Alarm No.

Alarm Name

SUB-
Code

Meaning

Cause

Remedy

other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

Watchdog timer error

Connection failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, check the connection and insertion of the following cables and connectors.
∙EAXA21-CN515
∙YIF01-CN113
∙YSF25-CNBX

YSF25 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF25 board. Save the CMOS.BIN before replace the board to be safe.

YIF01 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YIF01 board. Save the CMOS.BIN before replace the board to be safe.
Replace the YIF01 board, and then load the CMOS.BIN saved before alarm occurred.

other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

JL0101 alarm

Connection failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, check the connection and insertion of the following cables and connectors.
∙EAXA21-CN515
∙YIF01-CN113
∙YSF25-CNBX

YSF25 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF25 board. Save the CMOS.BIN before replace the board to be safe.

Alarm No.

Alarm Name

SUB-
Code

Meaning

Cause

Remedy

YIF01 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YIF01 board. Save the CMOS.BIN before replace the board to be safe.
Replace the YIF01 board, and then load the CMOS.BIN saved before alarm occurred.

other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

Communication sta- tus error

Connection failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, check the connection and insertion of the following cables and connectors.
∙EAXA21-CN515
∙YIF01-CN113
∙YSF25-CNBX

YSF25 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF25 board. Save the CMOS.BIN before replace the board to be safe.

YIF01 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YIF01 board. Save the CMOS.BIN before replace the board to be safe.
Replace the YIF01 board, and then load the CMOS.BIN saved before alarm occurred.

other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

Alarm No.

Alarm Name

SUB-
Code

Meaning

Cause

Remedy

Data consistency er- ror

Connection failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, check the connection and insertion of the following cables and connectors.
∙EAXA21-CN515
∙YIF01-CN113
∙YSF25-CNBX

YSF25 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF25 board. Save the CMOS.BIN before replace the board to be safe.

YIF01 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YIF01 board. Save the CMOS.BIN before replace the board to be safe.
Replace the YIF01 board, and then load the CMOS.BIN saved before alarm occurred.

Software operation error occurred

other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

CRC error

Connection failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, check the connection and insertion of the following cables and connectors.
∙EAXA21-CN515
∙YIF01-CN113
∙YSF25-CNBX

Alarm No.

Alarm Name

SUB-
Code

Meaning

Cause

Remedy

YSF25 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF25 board. Save the CMOS.BIN before replace the board to be safe.

YIF01 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YIF01 board. Save the CMOS.BIN before replace the board to be safe.
Replace the YIF01 board, and then load the CMOS.BIN saved before alarm occurred.

Software operation error occurred

other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

CRC error

YSF25 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF25 board. Save the CMOS.BIN before replace the board to be safe.

Software operation error occurred

other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

CRC error

YSF25 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF25 board. Save the CMOS.BIN before replace the board to be safe.

Alarm No.

Alarm Name

SUB-
Code

Meaning

Cause

Remedy

Software operation error occurred

other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

1613

F-SAFE ENCODER COMM. ERR 1

Sub Code: Signifies the axis in which the alarm occurred

Blown fuse

If AL1962 “EAXA21 board failure” occurred simultaneously with this alarm,
Replace the fuse (F1) in the EAXA21 board.

Connection failure

Module failure (en- coder)

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the encoder.

YSF25 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF25 board. Save the CMOS.BIN before replace the board to be safe.

Alarm No.

Alarm Name

SUB-
Code

Meaning

Cause

Remedy

other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

1614

F-SAFE ENCODER COMM. ERR 2

Blown fuse

If AL1962 “EAXA21 board failure” occurred simultaneously with this alarm,
Replace the fuse(F1) in the EAXA21 board.

Connection failure

Module failure (en- coder)

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the encoder.

YSF25 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF25 board. Save the CMOS.BIN before replace the board to be safe.

other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

1615

F-SAFE SYSTEM ERROR

YSF25 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF25 board. Save the CMOS.BIN before replace the board to be safe.

Alarm No.

Alarm Name

SUB-
Code

Meaning

Cause

Remedy

other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

1616

F-SAFE SYSTEM ERROR 1

YSF25 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF25 board. Save the CMOS.BIN before replace the board to be safe.

other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

1618

F-SAFE ARITHME- TIC ERROR

YSF25 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF25 board. Save the CMOS.BIN before replace the board to be safe.

other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

1619

F-SAFE PARAME- TER ERROR

YSF25 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF25 board. Save the CMOS.BIN before replace the board to be safe.

other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

Alarm No.

Alarm Name

SUB-
Code

Meaning

Cause

Remedy

1622

F-SAFE DEFEC- TIVE ENCODER

Sub Code: Signifies the axis in which the alarm occurred

Connection failure

Module failure (en- coder)

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the encoder.

YSF25 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF25 board. Save the CMOS.BIN before replace the board to be safe.

other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

Alarm No.

Alarm Name

SUB-
Code

Meaning

Cause

Remedy

1623

F-SAFE ENCODER CORR. NUM OVER

Sub Code: Signifies the axis in which the alarm occurred

Connection failure

Module failure (en- coder)

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the encoder.

YSF25 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF25 board. Save the CMOS.BIN before replace the board to be safe.

other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

1626

F-SAFE BOARD NOT INSTALLED

Connection failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, check the connection and insertion of the following cables and connectors.
∙EAXA21-YSF25

YSF25 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF25 board. Save the CMOS.BIN before replace the board to be safe.

Alarm No.

Alarm Name

SUB-
Code

Meaning

Cause

Remedy

EAXA21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the EAXA21 board. Save the CMOS.BIN before replace the board to be safe.

other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

1627

F-SAFE BOARD COMM ER- ROR(SERVO)

Connection failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, check the connection and insertion of the following cables and connectors.
∙EAXA21-YSF25

YSF25 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF25 board. Save the CMOS.BIN before replace the board to be safe.

EAXA21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the EAXA21 board. Save the CMOS.BIN before replace the board to be safe.

other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

1630

F-SAFE MUTUAL DIAG. ERR(WDT)

YSF25 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF25 board.

other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

1631

F-SAFE MUTUAL DIAG. ERR (HW SET)

Setting error

Confirm that the rotary switch on the YSF25 [#1-8] board is set to [0-7].

Alarm No.

Alarm Name

SUB-
Code

Meaning

Cause

Remedy

YSF25 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF25 board. Save the CMOS.BIN before replace the board to be safe.

other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

1632

F-SAFE MUTUAL DIAG. ERR (MONI- TOR)

YSF25 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF25 board. Save the CMOS.BIN before replace the board to be safe.

other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

1635

F-SAFE LOW VOLTAGE

Low voltage error de- tected in the 1.0V supply line.

YSF25 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF25 board. Save the CMOS.BIN before replace the board to be safe.

other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

Low voltage error de- tected in the 1.5V supply line.

YSF25 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF25 board. Save the CMOS.BIN before replace the board to be safe.

other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

Low voltage error de- tected in the1.8V sup- ply line.

YSF25 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF25 board. Save the CMOS.BIN before replace the board to be safe.

Alarm No.

Alarm Name

SUB-
Code

Meaning

Cause

Remedy

other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

Low voltage error de- tected in the 3.3V supply line.

YSF25 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF25 board. Save the CMOS.BIN before replace the board to be safe.

other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

Low voltage error de- tected in the 5.0V supply line.

YSF25 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF25 board. Save the CMOS.BIN before replace the board to be safe.

other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

Low voltage error de- tected in the 24.0V supply line.

YSF25 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF25 board. Save the CMOS.BIN before replace the board to be safe.

other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

1636

F-SAFE OVER VOLTAGE

Over voltage error de- tected in the 1.0V supply line.

YSF25 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF25 board. Save the CMOS.BIN before replace the board to be safe.

other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

Alarm No.

Alarm Name

SUB-
Code

Meaning

Cause

Remedy

Over voltage error de- tected in the 1.5V supply line.

YSF25 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF25 board. Save the CMOS.BIN before replace the board to be safe.

other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

Over voltage error de- tected in the 1.8V supply line.

YSF25 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF25 board. Save the CMOS.BIN before replace the board to be safe.

other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

Over voltage error de- tected in the 3.3V supply line.

YSF25 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF25 board. Save the CMOS.BIN before replace the board to be safe.

other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

Over voltage error de- tected in the 5.0V supply line.

YSF25 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF25 board. Save the CMOS.BIN before replace the board to be safe.

other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

Over voltage error de- tected in the 24.0V supply line.

YSF25 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF25 board. Save the CMOS.BIN before replace the board to be safe.

Alarm No.

Alarm Name

SUB-
Code

Meaning

Cause

Remedy

other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

1637

F-SAFE RAM DIAG- NOSIS ERROR

YSF25 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF25 board. Save the CMOS.BIN before replace the board to be safe.

other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

1638

F-SAFE ROM DI- AGNOSIS ERROR

YSF25 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF25 board. Save the CMOS.BIN before replace the board to be safe.

other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

1639

F-SAFE RAM AREA CONVERSION ERR

YSF25 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF25 board. Save the CMOS.BIN before replace the board to be safe.

other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

1640

F-SAFE REAL TIME MONITOR ERROR

YSF25 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF25 board. Save the CMOS.BIN before replace the board to be safe.

other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

Alarm No.

Alarm Name

SUB-
Code

Meaning

Cause

Remedy

1642

F-SAFE WATCH- DOG SIGNAL ER- ROR

YSF25 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF25 board. Save the CMOS.BIN before replace the board to be safe.

other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

Alarm No.

Alarm Name

SUB-
Code

Meaning

Cause

Remedy

1643

F-SAFE SAFETY SIGNAL SET ER- ROR

Sub Code:Code [X _
_ _ ] indicates the ab- normal content.
1000: Input/output signal number in con- ditionfile is abnormal.
2000: Functional safety general input signal that is not avail- able is set in condition file.
3000: Functional safety general output signal that is not avail- able is set in condition file.
4000: Safety fieldbus input signal that is not available is set in con- dition file.
5000: Safety fieldbus output signal that is not available is set in condition file.
400: Robot range limit function
500: Tool angle moni- tor function

Data error

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, check the configuration of condi- tion file abnormality occurs.

Alarm No.

Alarm Name

SUB-
Code

Meaning

Cause

Remedy

1643

F-SAFE SAFETY SIGNAL SET ER- ROR

600: Tool change monitor function
6000: File valid condi- tion data is abnormal
Code [ _ Y _ _] indi- cates the type of con- dition file abnormality occurs.
100: Axis range limit function
200: Axis speed mon- itor function
300: Speed limit func- tion

Data error

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, check the configuration of condi- tion file abnormality occurs.

YSF25 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF25 board. Save the CMOS.BIN before replace the board to be safe.

other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

1645

F-SAFE CRC ER- ROR

Sub Code: Signifies the file kind in which the alarm occurred.

YSF25 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF25 board. Save the CMOS.BIN before replace the board to be safe.

YIF01 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YIF01 board. Save the CMOS.BIN before replace the board to be safe.
Replace the YIF01 board, and then load the CMOS.BIN saved before alarm occurred.

Alarm No.

Alarm Name

SUB-
Code

Meaning

Cause

Remedy

other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

1646

F-SAFE COMM.SETTING ERROR

Sub Code: The rotary switch number re- corded in the YSF25 board is shown.

Setting error

(1) Select the following menu.
∙{File} – {Initialize}, {Functional Safety Board FLASH Reset} in MAINTENANCE mode.
(2) Turn the power OFF then back ON.

Setting error

Confirm that the rotary switch on the YSF25[#1-8] board is set to [0-7].

YSF25 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF25 board. Save the CMOS.BIN before replace the board to be safe.

other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

1649

MODE SIGNAL ER- ROR

Detect mode signal error

Connection failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, check the connection and insertion of the following cables and connectors.
∙Programming Pendant cable
∙X81 cable (Cable in the robot controller)

Programming Pen- dant failure

Replace the Programming Pendant.

Fuse failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the fuse of the YSF22 board and then turn the power ON again.

YSF21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF21 board.

Alarm No.

Alarm Name

SUB-
Code

Meaning

Cause

Remedy

YSF22 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF22 board.

Other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

1650

FILE TRANSFER DATA ERROR (SV)

An error occurred when the last data was not received during the first data communication at ex- ecution of motion command.

Software operation error occurred

EAXA21 board failure

(1) Turn the power OFF then back ON.
(2) If the error occurs again, save the CMOS.BIN in MAINTE- NANCE mode, replace the following board.
∙EAXA21 board

YCP21 board failure

(1) Turn the power OFF then back ON.
If the error occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then replace the YCP21 board. In this case, use the original CF card of the YCP21 board.

YIF01 board failure

(1) Turn the power OFF then back ON.
(2) If the error occurs again, save the CMOS.BIN in MAINTE- NANCE mode, replace the YIF01 board. and then load the CMOS.BIN previously saved in MAINTENANCE mode.

An error occurred when the first data was not received during on the way data communication at execution of motion command.

EAXA21 board failure

(1)Reset the alarm.(In case of major alarm, turn the power OFF then back ON.)
(2) If the alarm occurs again, replace the EAXA21 board. Save the CMOS.BIN before replace the board to be safe.

Alarm No.

Alarm Name

SUB-
Code

Meaning

Cause

Remedy

other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

An error occurred when the first data was not received during the last data communication at ex- ecution of motion command.

EAXA21 board failure

(1)Reset the alarm.(In case of major alarm, turn the power OFF then back ON.)
(2) If the alarm occurs again, replace the EAXA21 board. Save the CMOS.BIN before replace the board to be safe.

other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

1651

FILE TRANSFER DATA SIZE ERR (SV)

The data size for the file transfer does not agree with the re- ceived buffer size.

EAXA21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the EAXA21 board. Save the CMOS.BIN before replace the board to be safe.

other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

Buffer size over

EAXA21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the EAXA21 board. Save the CMOS.BIN before replace the board to be safe.

other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

1652

DB ON ERROR (SERVO)

Sub Code: Signifies the axis in which the alarm occurred

EAXA21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the EAXA21 board. Save the CMOS.BIN before replace the board to be safe.

Alarm No.

Alarm Name

SUB-
Code

Meaning

Cause

Remedy

Software operation error occurred

1653

BASE BLOCK SIG- NAL ERROR(SER- VO)

Sub Code: Signifies the axis in which the alarm occurred

EAXA21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the EAXA21 board. Save the CMOS.BIN before replace the board to be safe.

Module failure (ampli- fier)

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the amplifier.

other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

1654

PG POWER ON MULTIPLE REQ (SV)

Setting error

Check if the PICK instruction was executed again for the axis where executed the PICK instruction in the gun change system.

other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

1655

CONVERTER COMMAND ER- ROR (SV)

Module failure (con- verter)

1656

AXIS ENDLESS INFO NOT GENER- ATED(SV)

Setting error

Check the JOB.
(1) Turn the power OFF then back ON.
(2)If the error occurs again, contact your YASKAWA represen- tative.

Alarm No.

Alarm Name

SUB-
Code

Meaning

Cause

Remedy

1657

AXIS ENDLESS SPECIFIC. ERR(SV)

The home position detecting function was used for the axis for which the axis endless function was enabled.
The home position detecting function cannot be used for the axis which the axis endless function was enabled.

Setting error

Disable either the axis endless function or the home position de- tection function of corresponding axis.

other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

The SERVO float function was used for the axis for which the axis endless function was enabled.
The SERVO float function cannot be used for the axis which the axis end- less function was en- abled.

Setting error

Disable either the axis endless function or the SERVO float function of corresponding axis.

other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

Alarm No.

Alarm Name

SUB-
Code

Meaning

Cause

Remedy

The encoders manu- factured by Tamaga- wa Seiki Co., Ltd. was used for the axis for which the axis end- less function was en- abled.
The encoders manu- factured by Tamaga- wa Seiki Co., Ltd. cannot be used for the axis which the axis endless function was enabled.

Setting error

Disable the corresponding axis endless function.

other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

The general SERVO function was used for the axis for which the axis endless function was enabled.
The general SERVO function cannot be used for the axis which the axis end- less function was en- abled.

Setting error

Disable the corresponding axis endless function.

other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

Alarm No.

Alarm Name

SUB-
Code

Meaning

Cause

Remedy

1658

REDUCTION STOP SPECIFIC. ERR(SV)

The SERVO float function was used for the axis for which the deceleration stop function was enabled. The SERVO float function cannot be used for the axis which the decelera- tion stop function was enabled.

Setting error

Check the JOB.

other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

The specified axis speed control func- tion was executed for the axis which the de- celeration stop func- tion was enabled.
Specified axis speed control function can- not be used for the axis which the decel- eration stop function was enabled.

Setting error

Check the JOB.

other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

1659

MOTOR GUN CHANGE PG PWR ON ERR(SV)

Setting error

Check if the PICK instruction was executed again for the axis where executed the PICK instruction in the gun change system.

Alarm No.

Alarm Name

SUB-
Code

Meaning

Cause

Remedy

other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

1660

MOTOR GUN CHANGE SV ON ERR(SV)

Setting error

Check if the PICK instruction was executed again for the axis where executed the PICK instruction in the gun change system.

other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

1661

MOTOR GUN COND. FILE NO. ERR(SV)

File setting error

Check the gun condition file.

other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

1662

MOTOR GUN PRESS FILE NO. ERR(SV)

Setting error

Check the JOB.

other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

1663

WRONG MOTOR GUN PRESS AXIS (SV)

File setting error

Check the gun condition file.

other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

1664

MICRO PRG EXE- CUTE TIME OVER(SV)

Sub Code: Signifies the axis in which the alarm occurred

EAXA21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the EAXA21 board. Save the CMOS.BIN before replace the board to be safe.

Alarm No.

Alarm Name

SUB-
Code

Meaning

Cause

Remedy

other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

1665

MICRO PROGRAM SYNC. ERROR (SV)

Sub Code: Signifies the axis in which the alarm occurred

EAXA21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the EAXA21 board. Save the CMOS.BIN before replace the board to be safe.

other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

1666

FILE RECEIVE IN- COMPLETE (SER- VO)

Sub Code: Signifies the axis in which the alarm occurred

EAXA21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the EAXA21 board. Save the CMOS.BIN before replace the board to be safe.

other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

1667

RESOLUTION CONVERSE CONST ERR(SV)

EAXA21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the EAXA21 board. Save the CMOS.BIN before replace the board to be safe.

other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

1668

CANNOT GENER- ATE GENERAL CMD (SV)

EAXA21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the EAXA21 board. Save the CMOS.BIN before replace the board to be safe.

other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

1669

GENERAL SERVO CMD CODE ERR (SV)

EAXA21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the EAXA21 board. Save the CMOS.BIN before replace the board to be safe.

Alarm No.

Alarm Name

SUB-
Code

Meaning

Cause

Remedy

other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

1670

GENERAL SERVO SETTING ERROR (SV)

EAXA21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the EAXA21 board. Save the CMOS.BIN before replace the board to be safe.

other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

1671

GENERAL SV ALARM CODE ER- ROR (SV)

EAXA21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the EAXA21 board. Save the CMOS.BIN before replace the board to be safe.

other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

1672

GRP CHANGE PG POWER ON ERR (SV)

Sub Code: Signifies the axis in which the alarm occurred

Setting error

Check the JOB.

other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

1673

GRP CHANGE SERVO ON ERROR (SV)

Sub Code: Signifies the axis in which the alarm occurred

Setting error

Check the JOB.

other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

1674

CTRL LAW SWITCHING OR- DER ERR (SV)

Sub Code: Signifies the axis in which the alarm occurred

EAXA21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the EAXA21 board. Save the CMOS.BIN before replace the board to be safe.

Alarm No.

Alarm Name

SUB-
Code

Meaning

Cause

Remedy

other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

1675

BASE BLOCK READ SIGNAL ERR (SV)

Sub Code: Signifies the axis in which the alarm occurred

EAXA21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the EAXA21 board. Save the CMOS.BIN before replace the board to be safe.

other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

1676

BASE BLOCK WRITE SIGNAL ERR (SV)

Sub Code: Signifies the axis in which the alarm occurred

EAXA21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the EAXA21 board. Save the CMOS.BIN before replace the board to be safe.

other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

1677

U.PROG. BB READ SIG INCON- SIST(SV)

Sub Code: Signifies the axis in which the alarm occurred

EAXA21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the EAXA21 board. Save the CMOS.BIN before replace the board to be safe.

other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

1678

MOTOR CMD PO- SITION ERROR (SV)

Sub Code: Signifies the axis in which the alarm occurred

EAXA21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the EAXA21 board. Save the CMOS.BIN before replace the board to be safe.

other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

1679

EXTERNAL BRAKE FUSE BROWN(SV)

Fuse failure

Replace the YBK21 fuse.

YBK21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YBK21 board.

Alarm No.

Alarm Name

SUB-
Code

Meaning

Cause

Remedy

Connection failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, check the connection and insertion of the following cables and connectors.
∙YBK21-CN403,CN405
∙YPS21-CN153(+24V3)
∙EAXA21-CN513

other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

1680

GENERAL I/O FUSE BROWN(SV)

EAXA21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the EAXA21 board. Save the CMOS.BIN before replace the board to be safe.

other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

1681

BRAKE POWER ERROR(SV)

Connection failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, check the connection and insertion of the following cables and connectors.
∙YBK21-CN403
∙YPS21-CN153(+24V3)

Short circuit or ground fault

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, check the connection and inserting state of the following cables and connectors.
Check the insertion, connection, Short circuit or ground fault of the followings.
∙YFC22-CN219(81,82,92,93 : +24V2U3)
∙YFC22-CN219(83,84,94,95 : 024V2)
∙YIO-CN306,CN307,CN308,CN309

YBK board failure

Check the power source of YBK21, and then if no fault is found, replace the brake unit.

Alarm No.

Alarm Name

SUB-
Code

Meaning

Cause

Remedy

other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

1682

EXTERNAL BRAKE POWER ER- ROR(SV)

Connection failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, check the connection and insertion of the following cables and connectors.
·YBK21-CN404,CN405
·EAXA21-CN513
·The external axis brake power supply for brake unit

Short circuit or ground fault

YBK board failure

Check the external axis brake of YBK21 in the power source, and then if no fault is found, replace the brake unit.

other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

1683

DC 24V POWER SUPPLY FAIL- URE(SV)

Short circuit or ground fault

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, check the brake connection if there is a ground fault or short circuit.

YPS21 unit failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the following unit.
∙YPS21 unit

Alarm No.

Alarm Name

SUB-
Code

Meaning

Cause

Remedy

other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

1684

INSTANT POWER FAILURE(TRQ)(SV)

The instant power fail- ure occurred and then the torque was satu- rated.

Voltage failure

Check if the primary power supply voltage is dropping.

other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

1685

INSTANT POWER FAIL- URE(TIME)(SV)

The instant power fail- ure occurred for lon- ger than the certain time period.

Voltage failure

Check if the primary power supply voltage is dropping.

other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

1686

POS.DEVITATION SATURATING ERR(SV)

Setting error

Check the settings for manipulator motion condition (influence by external force, load condition).

Connection failure

Check if a ground fault has not occurred in the U-, V-, and W- phase of motor power line, or short circuit has not occurred be- tween these phases.

Connection failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, check the connection and insertion of the following cables and connectors.
∙EAXA21-CN501 to 506
∙EAXB21-CN531,532,533
∙Amplifier-CN581
∙EX1SV(External axis SERVO pack)-CN591,595

Module failure (ampli- fier)

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the amplifier.

Alarm No.

Alarm Name

SUB-
Code

Meaning

Cause

Remedy

Module failure (mo- tor)

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the motor.

EAXA21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the EAXA21 board. Save the CMOS.BIN before replace the board to be safe.

other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

1687

COORDINATED STOP FUNC. DIS- ABLE

Setting error

1688

MEMORY DATA FILE STORAGE ERROR

Storage file number is inconsistent

Software operation error occurred

Start index is incon- sistent

Software operation error occurred

1690

PCI BOARD NOT DETECTED

AD board failure

1691

FORCE SENSOR BOARD UN- MOUNTED

Force sensor board failure

1692

PG POWER FUSE BLOWN(SV)

Fuse failure

Replace the EAXA21 board fuse(F1).

Alarm No.

Alarm Name

SUB-
Code

Meaning

Cause

Remedy

EAXA21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the EAXA21 board. Save the CMOS.BIN before replace the board to be safe.

other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

1693

UNDEFINED MO- TOR GUN ARM CONTROL

Sub Code: Signifies the control group in which the alarm oc- curred

Setting error

The spot high speed function is enabled despite the invalid sta- tus of GUN ARM CONTROL function.
Please complete the setting of GUN ARM CONTROL as the fol- lowing operations.
1. start the system in MAINTENANCE mode.
2. change the security to management mode.
3. select [SYSTEM] ->[SETUP] ->[OPTION FUNCTION] –
>[GUN ARM CONTROL].
4. change the mode to PLAYBACK, then push [EXECUTE].
5. set the [INERTIA] and [FREQ].
6. select [ENABLE], after the setting the [INERTIA] and [FREQ].

other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

1694

GROUND FAULT(BRAKE LINE)

Sub Code: Signifies the axis in which the alarm occurred

Short circuit or ground fault

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, check the brake connection if there is a ground fault or short circuit.

other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

1695

DC 24V POWER SUPPLY FAIL- URE(SV)

YPS21 unit failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the following unit.
∙YPS21 unit

Alarm No.

Alarm Name

SUB-
Code

Meaning

Cause

Remedy

other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

1860

M-SAFETY COM- MUNICATE ERROR

There was no re- sponse from Ma- chine-Safety(YSF21) board within the time limit.

Connection failure

Check the connection and insertion of the following boards.
∙YCP21 board
∙YIF01 board
∙YSF21 board

YSF21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF21 board.

YCP21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YCP21 board.
After replacing the board, remove the CF card that has been in- serted into the YCP21to be removed, insert it the new YCP21.

YIF01 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YIF01 board. Save the CMOS.BIN before replace the board. Replace the YIF01 board, and then load the CMOS.BIN saved before alarm occurred.

Other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

The reset of Machine- Safety alarm was not properly completed.

Connection failure

Check the connection and insertion of the following boards.
∙YCP21 board
∙YIF01 board
∙YSF21 board

YSF21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF21 board.

YCP21 board failure

Alarm No.

Alarm Name

SUB-
Code

Meaning

Cause

Remedy

YIF01 board failure

Other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

Calculation results do not match the receive data.

Connection failure

Check the connection and insertion of the following boards.
∙YCP21 board
∙YIF01 board
∙YSF21 board

YSF21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF21 board.

YCP21 board failure

YIF01 board failure

Other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

Alarm No.

Alarm Name

SUB-
Code

Meaning

Cause

Remedy

1861

M-SAF SYSTEM ERROR

Sub code indicates where the error oc- curred.

YSF21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF21 board.

Alarm No.

Alarm Name

SUB-
Code

Meaning

Cause

Remedy

Other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

1862

M-SAF VERSION UP ERROR

An error is detected in the update process of Machine-Safety soft- ware.

Hardware failure

Please try the software update again.

YSF21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF21 board.

Other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

1863

M-SAF SETUP ER- ROR

The parameter set- ting is incorrect.

Setting error

Please re-configure the setting of the control group in MAINTE- NANCE mode.

YSF21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF21 board.

Other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

Parameter setting does not match the number of YSF22 boards.

Setting error

In MAINTENANCE mode, check that the control group setting is appropriate for the system.

YSF22 board failure

Check the rotary switch setting of YSF22 board.

YSF21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF21 board.

Other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

Alarm No.

Alarm Name

SUB-
Code

Meaning

Cause

Remedy

The parameter set- ting is incorrect.

Setting error

In the control group setting window of MAINTENANCE mode, check that the following items are appropriate for the system configuration.
(1) In case of STO connection:
-SERVO board which connects to each control group
-The number of axis which connects to connector of each SER- VO board
-Contactor unit which connects the brake
-Converter which connects the axis
-ON_ENABLE signal which connects to each control group
-The setting of overrun signal
(2)In case of Contactor connection:
-Servo board which connects to each control group.
-The number of axis which connects to connector of each SER- VO board
-Axis number to be connected to the connector of the SERVO board
-Converter which connects the axis
-Contactor unit which connects the brake
-The setting of overrun signal

YSF21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF21 board.

Other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

YSF23 board is not connected.

Setting error

YSF23 board is not connected. Connect a YSF23 board.

Alarm No.

Alarm Name

SUB-
Code

Meaning

Cause

Remedy

YSF23 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF23 board.

Other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

The CRC data which calculated do not ac- cord with CRC data saved away by Flash Rom.

Setting error

If the alarm occurs again, Select the following menu.
∙Start up MAINTENANCE mode.
∙Change to the safety mode security.
∙Select {Machine Safety Board FLASH Reset} by going to {INI- TIALIZE} from {FILE} in the main menu.
∙Turn the power OFF then back ON.

YSF21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF21 board.

Other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

The CRC data which calculated do not ac- cord with CRC data saved in a parameter.

Setting error

YSF21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF21 board.

Other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

Alarm No.

Alarm Name

SUB-
Code

Meaning

Cause

Remedy

The calculated CRC data are not accord with the CRC data that is saved in FlashRom. In addi- tion, both the CRC data that is saved in the parameter does not match.

Setting error

YSF21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF21 board.

Other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

1864

M-SAF CPU BOARD COMM ERRO

There was no re- sponse from YCP21 board within the time limit.

Connection failure

Check the connection and insertion of the following boards.
∙YCP21 board
∙YIF01 board
∙YSF21 board

YSF21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF21 board.

YCP21 board failure

YIF01 board failure

Other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

Alarm No.

Alarm Name

SUB-
Code

Meaning

Cause

Remedy

Calculation results do not match the receive data.

Connection failure

Check the connection and insertion of the following boards.
∙YCP21 board
∙YIF01 board
∙YSF21 board

YSF21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF21 board.

YCP21 board failure

YIF01 board failure

Other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

Calculation results do not match the receive data on a logical cir- cuit.

Connection failure

Check the connection and insertion of the following boards.
∙YCP21 board
∙YIF01 board
∙YSF21 board

YSF21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF21 board.

YCP21 board failure

Alarm No.

Alarm Name

SUB-
Code

Meaning

Cause

Remedy

YIF01 board failure

Other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

Here was no re- sponse from YCP21 board within the time limit.

Connection failure

Check the connection and insertion of the following boards.
∙YCP21 board
∙YIF01 board
∙YSF21 board

YSF21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF21 board.

YCP21 board failure

YIF01 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YIF01 board. Save the CMOS.BIN before replace the board. Replace the
YIF01 board, and then load the CMOS.BIN saved before alarm occurred.

Other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

Alarm No.

Alarm Name

SUB-
Code

Meaning

Cause

Remedy

1865

M-SAF I/O BOARD COMM ERROR

101

CPU1 of YSF21
board did not detect a response from YSF22 board within a time limit.

Connection failure

Check the connection of the MII cable between YSF21 board (CN201/CN202) and YSF22 board (CN211/CN212).
And check if a terminator(CN211/CN212) is connected.

YSF22 board setting failure

Check the rotary switch setting of YSF22 board.

Fuse failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the fuse of the YSF22 board and then turn the power ON again.

YSF21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF21 board.

YSF22 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF22 board.

Other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

102

CPU1 of YSF21
board detected an er- ror of communication ASIC.

Connection failure

Check the connection of the MII cable between YSF21 board (CN201/CN202) and YSF22 board (CN211/CN212).

YSF21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF21 board.

YSF22 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF22 board.

Other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

Alarm No.

Alarm Name

SUB-
Code

Meaning

Cause

Remedy

103

CPU1 of YSF21
board was not able to detect connection with YSF22 board in start up process.

Connection failure

Check the connection of the MII cable between YSF21 board (CN201/CN202) and YSF22 board (CN211/CN212).

YSF22 board setting failure

Check the setting number of the rotary switch of the YSF22 board.

YSF21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF21 board.

YSF22 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF22 board.

Other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

104

CPU1 of YSF21
board detected con- nection with CH2 of YSF22 board in start up process.

Connection failure

Check the connection of the MII cable between YSF21 board (CN201/CN202) and YSF22 board (CN211/CN212).

YSF21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF21 board.

YSF22 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF22 board.

Other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

Alarm No.

Alarm Name

SUB-
Code

Meaning

Cause

Remedy

105

CPU1 of YSF21
board did not detect a response from YSF22 board within a time limit.

Connection failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, check the connection and insertion of the following boards.
Check the touch of the MII cable between YSF21 board (CN201/CN202) and YSF22 board (CN211/CN212).

YSF21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF21 board.

YSF22 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF22 board.

Other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

112

CPU1 of YSF21 de-
tected bit failure in a communication IC with the I/O board.

Connection failure

YSF21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF21 board.

YSF22 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF22 board.

Other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

113

CPU1 of YSF21 de-
tected status failure in a communication IC with the I/O board.

Connection failure

Alarm No.

Alarm Name

SUB-
Code

Meaning

Cause

Remedy

YSF21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF21 board.

YSF22 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF22 board.

Other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

201

CPU2 of YSF21
board did not detect a response from YSF22 board within a time limit.

Connection failure

Check the connection of the MII cable between YSF21 board(CN201/CN202) and YSF22 board (CN211/CN212).
And check if a terminator (CN211/CN212) is connected.

YSF22 board setting error

Check the rotary switch setting of YSF22 board.

YSF21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF21 board.

YSF22 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF22 board.

Other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

202

CPU2 of YSF21
board detected an er- ror of communication ASIC.

Connection failure

Check the connection of the MII cable between YSF21 board(CN201/CN202) and YSF22 board (CN211/CN212).
And check if a terminator (CN211/CN212) is connected.

YSF21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF21 board.

YSF22 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF22 board.

Alarm No.

Alarm Name

SUB-
Code

Meaning

Cause

Remedy

Other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

203

CPU2 of YSF21
board was not able to detect connection with YSF22 board in start up process.

Connection failure

Check the connection of the MII cable between YSF21 board(CN201/CN202) and YSF22 board (CN211/CN212).

YSF21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF21 board.

YSF22 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF22 board.

Other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

204

CPU2 of YSF21
board detected con- nection with CH1 of YSF22 board in start up process.

Connection failure

Check the connection of the MII cable between YSF21 board(CN201/CN202) and YSF22 board (CN211/CN212).

YSF21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF21 board.

YSF22 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF22 board.

Other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

Alarm No.

Alarm Name

SUB-
Code

Meaning

Cause

Remedy

205

CPU2 of YSF21
board did not detect a response from YSF22 board within a time limit.

Connection failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, check the connection and insertion of the following boards.
Check the connection of the MII cable between YSF21 board (CN201/CN202) and YSF22 board (CN211/CN212).

YSF21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF21 board.

YSF22 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF22 board.

Other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

212

CPU2 of YSF21 de-
tected bit failure in a communication IC with the I/O board.

Connection failure

YSF21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF21 board.

YSF22 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF22 board.

Other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

213

CPU2 of YSF21 de-
tected bit failure in a communication IC with the I/O board.

Connection failure

Alarm No.

Alarm Name

SUB-
Code

Meaning

Cause

Remedy

YSF21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF21 board.

YSF22 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF22 board.

Other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

1866

M-SAF F-SAFETY COMM ERROR

Function Safety did not come by an online mode.

Connection failure

·Check the connection of the MII cable between YSF21 board(CN203) and YSF22 board(CN250/CN251).
And check if a terminator(CN250/CN251) is connected.
·Check the connection of the cable between YPS board(CN155) and EAXA21 board(CN509).

YSF25 board setting error

Check the rotary switch setting of YSF25 board.

YSF21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF21 board.

YSF25 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF25 board.

Other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

Machine Safety re- ceived an offline com- mand.

Connection failure

YSF21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF21 board.

Alarm No.

Alarm Name

SUB-
Code

Meaning

Cause

Remedy

YSF25 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF25 board.

Other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

There was no re- sponse from Function Safety with in the time limit.

Connection failure

YSF21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF21 board.

YSF25 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF25 board.

Other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

Machine Safety was not able to detect the first of the sequential number.

Connection failure

YSF21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF21 board.

YSF25 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF25 board.

Other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

Alarm No.

Alarm Name

SUB-
Code

Meaning

Cause

Remedy

Machine Safety de- tected CRC error.

Connection failure

·Check the connection of the MII cable between YSF21 board (CN203) and YSF22 board (CN250/CN251).
And check if a terminator (CN250/CN251) is connected.
·Check the connection of the cable between YPS board (CN155) and EAXA21 board (CN509).

YSF21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF21 board.

YSF25 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF25 board.

Other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

Machine Safety de- tected sequential number error.

Connection failure

·Check the connection of the MII cable between YSF21 board (CN203) and YSF22 board (CN250/CN251).
And check if a terminator (CN250/CN251) is connected.
·Check the connection of the cable between YPS board (CN155) and EAXA21 board (CN509).

YSF21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF21 board.

YSF25 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF25 board.

Other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

Machine Safety was not able to connect with Function Safety in start up process.

Connection failure

·Check the connection of the MII cable between YSF21 board (CN203) and YSF22 board (CN250/CN251).
And check if a terminator (CN250/CN251) is connected.
·Check the connection of the cable between YPS board (CN155) and EAXA21 board (CN509).

Alarm No.

Alarm Name

SUB-
Code

Meaning

Cause

Remedy

YSF21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF21 board.

YSF25 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF25 board.

Other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

Here was no re- sponse from Function Safety board within the time limit.

Connection failure

(1) Turn the power OFF then back ON.(2) If the alarm occurs again, check the connection and insertion of the following boards.
·Check the connection of the MII cable between YSF21 board (CN203) and YSF25 board (CN250/CN251).
And check if a terminator (CN250/CN251) is connected.
·Check the connection of a cable between YPS unit (CN155) and EAXA21 board (CN509).

YSF21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF21 board.

YSF25 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF25 board.

Other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

Alarm No.

Alarm Name

SUB-
Code

Meaning

Cause

Remedy

Here was no re- sponse from (Func- tion Safety board within the time limit.

Connection failure

YSF21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF21 board.

YSF25 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF25 board.

Other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

Detected rotary switch failure of Func- tion Safety.

YSF25 board setting failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, check the following settings.
∙Check the rotary switch of YSF25 board.

Connection failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, check the connection and insertion of the following boards.
∙Check the connection of the MII cable between YSF21 board(CN203) and YSF25 board(CN250/CN251). And check if a terminator(CN250/CN251) is connected.

YSF21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF21 board.

YSF25 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF25 board.

Alarm No.

Alarm Name

SUB-
Code

Meaning

Cause

Remedy

Other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

YSF21 detected bit failure in a communi- cation IC with Func- tion Safety board.

Connection failure

YSF21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF21 board.

YSF25 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF25 board.

Other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

YSF21 detected bit failure in a communi- cation IC with Func- tion Safety board.

Connection failure

YSF21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF21 board.

YSF25 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF25 board.

Other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

Alarm No.

Alarm Name

SUB-
Code

Meaning

Cause

Remedy

1867

M-SAF ROM DIAG. ERROR

An error is detected in the ROM diagnosis function of Machine Safety.

YSF21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF21 board.

Other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

ROM diagnosis func- tion of Machine Safe- ty detected Flash ROM failure in start up process.

YSF21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF21 board.

Other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

ROM diagnosis func- tion of Machine Safe- ty detected RAM area failure in start up pro- cess.

YSF21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF21 board.

Other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

1868

M-SAF RAM DIAG. ERROR

Machine Safety soft- ware detected failure with RAM diagnosis function of Machine Safety in start up pro- cess.

YSF21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF21 board.

Other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

Alarm No.

Alarm Name

SUB-
Code

Meaning

Cause

Remedy

RAM diagnosis func- tion of Machine Safe- ty detected a failure.

YSF21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF21 board.

Other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

Dual Port RAM diag- nosis function of Ma- chine Safety detected a failure in start up process.

YSF21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF21 board.

Other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

Dual Port RAM diag- nosis function of Ma- chine Safety detected a failure.

YSF21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF21 board.

Other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

110

RAM diagnosis func- tion of Machine Safe- ty detected a failure.

YSF21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF21 board.

Other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

111

RAM diagnosis func- tion of Machine Safe- ty detected a failure.

YSF21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF21 board.

Alarm No.

Alarm Name

SUB-
Code

Meaning

Cause

Remedy

Other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

112

RAM diagnosis func- tion of Machine Safe- ty detected a failure.

YSF21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF21 board.

Other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

113

RAM diagnosis func- tion of Machine Safe- ty detected a failure.

YSF21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF21 board.

Other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

114

RAM diagnosis func- tion of Machine Safe- ty detected a failure.

YSF21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF21 board.

Other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

115

RAM diagnosis func- tion of Machine Safe- ty detected a failure.

YSF21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF21 board.

Other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

116

RAM diagnosis func- tion of Machine Safe- ty detected a failure.

YSF21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF21 board.

Alarm No.

Alarm Name

SUB-
Code

Meaning

Cause

Remedy

Other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

210

RAM diagnosis func- tion of Machine Safe- ty detected a failure.

YSF21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF21 board.

Other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

211

RAM diagnosis func- tion of Machine Safe- ty detected a failure.

YSF21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF21 board.

Other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

222

RAM diagnosis func- tion of Machine Safe- ty detected a failure.

YSF21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF21 board.

Other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

223

RAM diagnosis func- tion of Machine Safe- ty detected a failure.

YSF21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF21 board.

Other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

224

RAM diagnosis func- tion of Machine Safe- ty detected a failure.

YSF21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF21 board.

Alarm No.

Alarm Name

SUB-
Code

Meaning

Cause

Remedy

Other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

225

RAM diagnosis func- tion of Machine Safe- ty detected a failure.

YSF21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF21 board.

Other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

226

RAM diagnosis func- tion of Machine Safe- ty detected a failure.

YSF21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF21 board.

Other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

1000

RAM diagnosis func- tion detected a failure.

YSF21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF21 board.

Other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

20xx

RAM diagnosis func- tion detected a failure. xx indicates where Machine Safety soft- ware detected an alarm.

YSF21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF21 board.

Other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

Alarm No.

Alarm Name

SUB-
Code

Meaning

Cause

Remedy

21xx

RAM diagnosis func- tion detected a failure. xx indicates where Machine Safety soft- ware detected an alarm.

YSF21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF21 board.

Other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

1869

M-SAF STACK DI- AG. ERROR

An error is detected in the stack diagnosis function of Machine Safety.

YSF21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF21 board.

Other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

Stack diagnosis func- tion of Machine Safe- ty detected a failure.

YSF21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF21 board.

Other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

Stack diagnosis func- tion of Machine Safe- ty detected a failure.

YSF21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF21 board.

Other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

Stack diagnosis func- tion of Machine Safe- ty detected a failure.

YSF21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF21 board.

Alarm No.

Alarm Name

SUB-
Code

Meaning

Cause

Remedy

Other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

1000

Stack diagnosis func- tion of Machine Safe- ty detected a failure in start up process.

YSF21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF21 board.

Other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

1001

Stack diagnosis func- tion of Machine Safe- ty detected a failure in start up process.

YSF21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF21 board.

Other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

1002

Stack diagnosis func- tion of Machine Safe- ty detected a failure in start up process.

YSF21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF21 board.

Other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

1003

Stack diagnosis func- tion of Machine Safe- ty detected a failure in start up process.

YSF21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF21 board.

Other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

Alarm No.

Alarm Name

SUB-
Code

Meaning

Cause

Remedy

1004

Stack diagnosis func- tion of Machine Safe- ty detected a failure in start up process.

YSF21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF21 board.

Other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

1005

Stack diagnosis func- tion of Machine Safe- ty detected a failure in start up process.

YSF21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF21 board.

Other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

1006

Stack diagnosis func- tion of Machine Safe- ty detected a failure in start up process.

YSF21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF21 board.

Other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

1007

Stack diagnosis func- tion of Machine Safe- ty detected a failure in start up process.

YSF21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF21 board.

Other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

1870

M-SAF REGISTER DIAG. ERROR

1000

An error is detected in the register diagnosis function of Machine Safety.

YSF21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF21 board.

Alarm No.

Alarm Name

SUB-
Code

Meaning

Cause

Remedy

Other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

1871

M-SAF SEQUENCE WATCH ERROR

101

CPU1 of YSF21
board detected an in- terruption monitoring failure.

YSF21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF21 board.

Other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

103

CPU1 of YSF21
board detected an se- quence monitoring failure.

YSF21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF21 board.

Other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

104

CPU1 of YSF21
board detected an se- quence monitoring failure.

YSF21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF21 board.

Other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

105

CPU1 of YSF21
board detected an se- quence monitoring failure.

YSF21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF21 board.

Other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

Alarm No.

Alarm Name

SUB-
Code

Meaning

Cause

Remedy

106

CPU1 of YSF21
board detected an se- quence monitoring failure.

YSF21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF21 board.

Other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

107

CPU1 of YSF21
board detected an se- quence monitoring failure.

YSF21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF21 board.

Other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

108

CPU1 of YSF21
board detected an se- quence monitoring failure.

YSF21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF21 board.

Other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

109

CPU1 of YSF21
board detected an se- quence monitoring failure.

YSF21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF21 board.

Other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

110

CPU1 of YSF21
board detected an se- quence monitoring failure.

YSF21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF21 board.

Alarm No.

Alarm Name

SUB-
Code

Meaning

Cause

Remedy

Other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

111

CPU1 of YSF21
board detected a pro- cessing time monitor- ing failure.

YSF21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF21 board.

Other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

112

CPU1 of YSF21
board detected a pro- cessing time monitor- ing failure.

YSF21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF21 board.

Other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

113

CPU1 of YSF21
board detected a pro- cessing time monitor- ing failure.

YSF21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF21 board.

Other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

114

CPU1 of YSF21
board detected a pro- cessing time monitor- ing failure.

YSF21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF21 board.

Other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

Alarm No.

Alarm Name

SUB-
Code

Meaning

Cause

Remedy

115

CPU1 of YSF21
board detected a pro- cessing time monitor- ing failure.

YSF21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF21 board.

Other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

116

CPU1 of YSF21
board detected a pro- cessing time monitor- ing failure.

YSF21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF21 board.

Other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

117

CPU1 of YSF21
board detected a pro- cessing time monitor- ing failure.

YSF21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF21 board.

Other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

118

CPU1 of YSF21
board detected a pro- cessing time monitor- ing failure.

YSF21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF21 board.

Other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

202

CPU2 of YSF21
board detected an in- terruption monitoring failure.

YSF21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF21 board.

Alarm No.

Alarm Name

SUB-
Code

Meaning

Cause

Remedy

Other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

203

CPU2 of YSF21
board detected an se- quence monitoring failure.

YSF21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF21 board.

Other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

204

CPU2 of YSF21
board detected an se- quence monitoring failure.

YSF21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF21 board.

Other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

205

CPU2 of YSF21
board detected an se- quence monitoring failure.

YSF21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF21 board.

Other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

206

CPU2 of YSF21
board detected an se- quence monitoring failure.

YSF21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF21 board.

Other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

Alarm No.

Alarm Name

SUB-
Code

Meaning

Cause

Remedy

207

CPU2 of YSF21
board detected an se- quence monitoring failure.

YSF21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF21 board.

Other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

208

CPU2 of YSF21
board detected an se- quence monitoring failure.

YSF21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF21 board.

Other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

209

CPU2 of YSF21
board detected an se- quence monitoring failure.

YSF21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF21 board.

Other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

210

CPU2 of YSF21
board detected an se- quence monitoring failure.

YSF21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF21 board.

Other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

211

CPU2 of YSF21
board detected an se- quence monitoring failure.

YSF21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF21 board.

Alarm No.

Alarm Name

SUB-
Code

Meaning

Cause

Remedy

Other

212

CPU2 of YSF21
board detected an se- quence monitoring failure.

YSF21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF21 board.

Other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

213

CPU2 of YSF21
board detected an se- quence monitoring failure.

YSF21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF21 board.

Other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

214

CPU2 of YSF21
board detected an se- quence monitoring failure.

YSF21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF21 board.

Other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

215

CPU2 of YSF21
board detected an se- quence monitoring failure.

YSF21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF21 board.

Other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

Alarm No.

Alarm Name

SUB-
Code

Meaning

Cause

Remedy

216

CPU2 of YSF21
board detected an se- quence monitoring failure.

YSF21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF21 board.

Other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

217

CPU2 of YSF21
board detected an se- quence monitoring failure.

YSF21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF21 board.

Other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

218

CPU2 of YSF21
board detected an se- quence monitoring failure.

YSF21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF21 board.

Other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

1872

M-SAF WATCH- DOG ERROR

101

CPU1of YSF21 de-
tected an error in start up process.

YSF21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF21 board.

Other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

102

CPU1of YSF21 de-
tected an error of it- self.

YSF21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF21 board.

Alarm No.

Alarm Name

SUB-
Code

Meaning

Cause

Remedy

Other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

103

CPU1of YSF21 de-
tected an error of CPU2.

YSF21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF21 board.

Other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

104

CPU1of YSF21 de-
tected an error of CPU2 in start up pro- cess.

YSF21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF21 board.

Other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

201

CPU2of YSF21 de-
tected an error in start up process.

YSF21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF21 board.

Other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

202

CPU2of YSF21 de-
tected an error of CPU1.

YSF21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF21 board.

Other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

203

CPU2of YSF21 de-
tected an error of CPU1.

YSF21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF21 board

Alarm No.

Alarm Name

SUB-
Code

Meaning

Cause

Remedy

Other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

204

CPU2of YSF21 de-
tected an error of CPU1 in start up pro- cess.

YSF21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF21 board

Other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

1873

M-SAF OFFLINE MODE SETUP ER- ROR

Setting error

Please re-configure the setting of the control group in MAINTE- NANCE mode.

YSF21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF21 board.

Other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

1874

M-SAF VOLTAGE WATCH ERROR

The CPU1 of YSF21
board has detected an illegal voltage of the CPU2.
The number indicates as CPU which detect- ed error, surveillance voltage, and 0001 or 0002 value.
0001:Over voltage 0002:Low voltage

YSF21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF21 board.
(3)If the alarm 1860 occurs, replace the YSF21 board.

Alarm No.

Alarm Name

SUB-
Code

Meaning

Cause

Remedy

Other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

1875

M-SAF I/O BOARD VOLTAGE ERROR

SUB-Code:
CPU1 1:CPU1 de-
tected a 5V low volt- age
CPU1 2:CPU1 de-
tected a 5V high volt- age
CPU1 3:CPU1 de-
tected a 24V low volt- age
CPU1 4:CPU1 de-
tected a 24V high voltage
CPU1 5:CPU1 de-
tected a voltage error in 24V power of the board.

Fuse failure

(1) Turn the power OFF then back ON.(2) If the alarm occurs again, check the connection of the fuse of YSF22 board and then turn the power ON again.

Alarm No.

Alarm Name

SUB-
Code

Meaning

Cause

Remedy

1875

M-SAF I/O BOARD VOLTAGE ERROR

CPU2 1:CPU2 de-
tected a 5V low volt- age
CPU2 2:CPU2 de-
tected a 5V high volt- age
CPU2 3:CPU2 de-
tected a 24V low volt- age
CPU2 4:CPU2 de-
tected a 24V high voltage
CPU2 5:CPU2 de-
tected a voltage error in 24V power of the board.

Fuse failure

(1) Turn the power OFF then back ON.(2) If the alarm occurs again, check the connection of the fuse of YSF22 board and then turn the power ON again.

YSF21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF21 board.

Other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

1876

M-SAF I/O BOARD WATCHDOG ER- ROR

101

An error of YSF22 board was detected in startup process by CPU1 of YSF21
board.

YSF22 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF22 board.

YSF21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF21 board.

Other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

Alarm No.

Alarm Name

SUB-
Code

Meaning

Cause

Remedy

102

An error in channel 1 of YSF22 board was detected by CPU1 of YSF21 board.

YSF22 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF22 board.

YSF21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF21 board.

Other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

103

An error in channel 2 of YSF22 board was detected by CPU1 of YSF21 board.

YSF22 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF22 board.

YSF21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF21 board.

Other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

104

An error in channel 2 of YSF22 board was detected for a definite period of time by CPU1 of YSF21
board.

YSF22 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF22 board.

YSF21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF21 board.

Other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

Alarm No.

Alarm Name

SUB-
Code

Meaning

Cause

Remedy

201

An error of YSF22 board was detected in startup process by CPU2 of YSF21
board.

YSF22 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF22 board

YSF21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF21 board.

Other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

202

An error in channel 1 of YSF22 board was detected by CPU2 of YSF21 board.

YSF22 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF22 board.

YSF21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF21 board.

Other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

203

An error in channel 2 of YSF22 board was detected by CPU2 of YSF21 board.

YSF22 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF22 board.

YSF21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF21 board.

Other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

Alarm No.

Alarm Name

SUB-
Code

Meaning

Cause

Remedy

204

An error in channel 2 of YSF22 board was detected for a definite period of time by CPU2 of YSF21
board.

YSF22 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF22 board.

YSF21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF21 board.

Other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

1877

F-SAF I/O BOARD NOT INSTALLED

YSF24 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF22 board.

YSF21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF21 board.

Other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

1887

F-SAFE RAM DIAG. ERROR(RD ADDR)

YSF25 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF25 board. Save the CMOS.BIN before replace the board to be safe.

other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

1888

F-SAFE RAM DIAG. ERROR(WT ADDR)

YSF25 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF25 board. Save the CMOS.BIN before replace the board to be safe.

Alarm No.

Alarm Name

SUB-
Code

Meaning

Cause

Remedy

other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

1889

F-SAFE OPCODE DIAG. ERROR

YSF25 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF25 board. Save the CMOS.BIN before replace the board to be safe.

other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

1890

F-SAFE M-SAFETY COMM ERROR

Machine safety did not come by an online mode.

Connection failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, check the connection and insertion of the following cables and connectors.
∙CN203 cable of YSF21board.
∙CN250/251 cable of YSF25 board.
∙Terminator is inserted in the CN250 of YSF25 board (last sta- tion).

Setting error

Confirm that the rotary switch on the YSF25[#1-8] board is set to [0-7].

YSF21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF21 board. Save the CMOS.BIN before replace the board to be safe.

YSF25 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF25 board. Save the CMOS.BIN before replace the board to be safe.

other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

Alarm No.

Alarm Name

SUB-
Code

Meaning

Cause

Remedy

Functional safety re- ceived an offline com- mand.

Connection failure

YSF21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF21 board. Save the CMOS.BIN before replace the board to be safe.

YSF25 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF25 board. Save the CMOS.BIN before replace the board to be safe.

other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

There was no re- sponse from machine safety board with in the time limit.

Connection failure

YSF21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF21 board. Save the CMOS.BIN before replace the board to be safe.

Alarm No.

Alarm Name

SUB-
Code

Meaning

Cause

Remedy

YSF25 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF25 board. Save the CMOS.BIN before replace the board to be safe.

other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

Functional safety board was not able to detect the first of the sequential number.

Connection failure

YSF21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF21 board. Save the CMOS.BIN before replace the board to be safe.

YSF25 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF25 board. Save the CMOS.BIN before replace the board to be safe.

other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

Alarm No.

Alarm Name

SUB-
Code

Meaning

Cause

Remedy

Functional safety board detected CRC error.

Connection failure

YSF21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF21 board. Save the CMOS.BIN before replace the board to be safe.

YSF25 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF25 board. Save the CMOS.BIN before replace the board to be safe.

other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

Functional safety board detected se- quential number er- ror.

Connection failure

YSF21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF21 board. Save the CMOS.BIN before replace the board to be safe.

Alarm No.

Alarm Name

SUB-
Code

Meaning

Cause

Remedy

YSF25 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF25 board. Save the CMOS.BIN before replace the board to be safe.

other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

Interrupt signal does not occur from the machine safety board.

Connection failure

YSF21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF21 board. Save the CMOS.BIN before replace the board to be safe.

YSF25 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF25 board. Save the CMOS.BIN before replace the board to be safe.

other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

Communication data error of Machine Safety was detected. (Running number over)

Connection failure

Alarm No.

Alarm Name

SUB-
Code

Meaning

Cause

Remedy

YSF21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF21 board. Save the CMOS.BIN before replace the board to be safe.

YSF25 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF25 board. Save the CMOS.BIN before replace the board to be safe.

other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

Communication data error of Machine Safety was detected. (Running number don’t change)

Connection failure

YSF21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF21 board. Save the CMOS.BIN before replace the board to be safe.

YSF25 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF25 board. Save the CMOS.BIN before replace the board to be safe.

other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

Alarm No.

Alarm Name

SUB-
Code

Meaning

Cause

Remedy

Communication data of CPU1 and CPU2 is mismatch.

Connection failure

YSF21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF21 board. Save the CMOS.BIN before replace the board to be safe.

YSF25 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF25 board. Save the CMOS.BIN before replace the board to be safe.

other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

Allocation requests of safety field bus signal is abnormal.

Connection failure

YSF21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF21 board. Save the CMOS.BIN before replace the board to be safe.

Alarm No.

Alarm Name

SUB-
Code

Meaning

Cause

Remedy

YSF25 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF25 board. Save the CMOS.BIN before replace the board to be safe.

other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

The error of JL098 communication data was detected.

Connection failure

YSF21 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF21 board. Save the CMOS.BIN before replace the board to be safe.

YSF25 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF25 board. Save the CMOS.BIN before replace the board to be safe.

other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

1891

F-SAFE OUTPUT SIGNAL UNMATCH

YSF25 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF25 board. Save the CMOS.BIN before replace the board to be safe.

other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

Alarm No.

Alarm Name

SUB-
Code

Meaning

Cause

Remedy

1892

F-SAFE COND FILE SETTING ERR

Sub Code: Indicates the type of condition file abnormality oc- curs.
0:Axis range limit function
1:Axis speed monitor function
2:Speed limit function
3:Robot range limit function
4:Tool angle monitor function
5:Tool change moni- tor function

Setting error

Check condition file that is indicated in the sub code is set cor- rectly.

YSF25 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF25 board. Save the CMOS.BIN before replace the board to be safe.

other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

1894

F-SAFE STACK DI- AG. ERROR

YSF25 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF25 board. Save the CMOS.BIN before replace the board to be safe.

other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

Alarm No.

Alarm Name

SUB-
Code

Meaning

Cause

Remedy

1895

F-SAFE REGIS- TER DIAG. ERROR

YSF25 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF25 board. Save the CMOS.BIN before replace the board to be safe.

other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

1896

F-SAFE SE- QUENCE WATCH ERROR

YSF25 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF25 board. Save the CMOS.BIN before replace the board to be safe.

other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

1897

F-SAFE WATCH- DOG ERROR

YSF25 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF25 board. Save the CMOS.BIN before replace the board to be safe.

other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

1898

F-SAFE ENCODER SELECT ERROR

Sub Code: Signifies the axis in which the alarm occurred

YSF25 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF25 board. Save the CMOS.BIN before replace the board to be safe.

other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).

1899

F-SAFE MONITOR EXECUTE TIME OVER

Setting error

(1) Reduce the condition file.

Alarm No.

Alarm Name

SUB-
Code

Meaning

Cause

Remedy

YSF25 board failure

(1) Turn the power OFF then back ON.
(2) If the alarm occurs again, replace the YSF25 board. Save the CMOS.BIN before replace the board to be safe.

other

If the alarm occurs again, save the CMOS.BIN in MAINTE- NANCE mode, and then contact your YASKAWA representative about occurrence status (operating procedure).