Yaskawa Alarm Codes 4300 – 4399

Home > Yaskawa > Alarm Codes > Alarm Codes 4300 – 4399

4300

VERIFY ERROR (SERVO PARAME- TER)

Setting error

(1) Reset the alarm.
(2) If the alarm occurs again, check whether the setting is within the allowable range.

Alarm No.

Alarm Name

SUB-
Code

Meaning

Cause

Remedy

EAXA21 board failure

(1) Reset the alarm
(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 MAINTENANCE mode, and then contact your YASKAWA representative about oc- currence status (operating procedure).

4301

CONTACTOR ER- ROR

SUB-Code: Signifies the physical No. of contactor in which the alarm occurred
Before performing a connection check of the wiring, turn OFF the controller power. Make sure that all the LEDs of SERVO-
PACK and converter are OFF, then verify that no electricity is charged using equip- ment such as a tester. This process may take a few minutes af- ter shutting off the power.

YPU unit failure

(1) Reset the alarm.
(2) Check the insertion and connection of the followings.
∙YSF22-CN217
∙YPU-CN607,CN-611
(3) Check if the contactors (1KM and 2KM) are open, and not damaged by melting or sticking.
(4) If the alarm occurs again, replace the YPU unit. Save the CMOS.BIN before replacing the unit to be safe.

YSF22 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 YSF22 board. Save the CMOS.BIN before replacing the board to be safe.

EAXA21 board failure

(1) Reset the alarm.
(2) If the alarm occurs again, replace the EAXA21 board. Save the CMOS.BIN before replacing 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 MAINTENANCE mode, and then contact your YASKAWA representative about oc- currence status (operating procedure).

4302

BRAKE CIRCUIT ERROR

Software operation error occurred

(1) Reset the alarm.
(2) If the alarm occurs again, replace the EAXA21 board. Save the CMOS.BIN before replacing the board to be safe.

EAXA21 board failure

(1) Reset the alarm.
(2) If the alarm occurs again, replace the EAXA21 board. Save the CMOS.BIN before replacing the board to be safe.

4303

CONVERTER READY SIGNAL ERROR

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

Connection failure

(1) Reset the alarm.
(2) If the alarm occurs again, check the connection and inserting state of the following cables and connectors.
∙YPU unit-CN604
∙EAXA21 board CN507
∙Converter-CN553,554,555

YPU unit failure

(1) Reset the alarm.
(2)Check if the contactors (1KM and 2KM) are open, and not dam- aged by melting or sticking.
(3) If the alarm occurs again, replace the YPU unit. Save the CMOS.BIN before replacing the board to be safe.

EAXA21 board failure

(1) Reset the alarm.
(2) If the alarm occurs again, replace the EAXA21 board. Save the CMOS.BIN before replacing the board to be safe.

Module failure (con- verter)

(1) Reset the alarm.
(2) If the alarm occurs again, replace the converter.

other

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

Alarm No.

Alarm Name

SUB-
Code

Meaning

Cause

Remedy

4304

CONVERTER IN- PUT POWER ER- ROR

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

YPU unit failure

(1) Reset the alarm.
(2) Check if the contactors (1KM and 2KM) are open, and not damaged by melting or sticking.
(3) If the alarm occurs again, replace the YPU unit. Save the CMOS.BIN before replacing the board to be safe.

Connection failure

(1) Reset the alarm.
(2) If the alarm occurs again, check the connection and inserting state of the following cables and connectors.
∙EAXA21-CN507,510
∙EAXB21-CN08
∙Converter CN551,553
∙YPU-CN602

Module failure (con- verter)

(1) Reset the alarm
(2) If the alarm occurs again, replace the converter.

other

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

4305

CONVERTER CIR- CUIT CHARGE ER- ROR

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

Connection failure

(1) Reset the alarm.
(2) If the alarm occurs again, check the connection and inserting state of the following cables and connectors.
∙Converter-CN556

Module failure (con- verter)

(1) Reset the alarm.
(2) If the alarm occurs again, replace the converter.

Module failure (Re- generative resistor)

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

other

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

Alarm No.

Alarm Name

SUB-
Code

Meaning

Cause

Remedy

4306

AMPLIFIER READY SIGNAL ERROR

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

Connection failure

(1) Reset the alarm.
(2) If the alarm occurs again, check the connection and inserting state of the following cables and connectors.
∙EAXA21-CN501 to 506,CN510
∙EAXB21-CN531,532,533
∙Amplifier-CN581,582
∙Converter-CN551,552A,552B

Module failure (con- verter)

(1) Reset the alarm.
(2) If the alarm occurs again, check if the LED (green) for amplifier is lighted up when SERVO power is ON.
(3) If it is lighted, replace the converter.

Module failure (ampli- fier)

(1) Reset the alarm.
(2) If the alarm occurs again, replace the corresponding amplifier.

EAXA21 board failure

(1) Reset the alarm.
(2) If the alarm occurs again, replace the EAXA/EAXB board. Save the CMOS.BIN before replacing the board to be safe.

other

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

4307

SERVO ON DE- FECTIVE SPEED

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

Mechanical failure

Check that the robot is not moving when the SERVO turned ON.

YBK21 board failure

Check that the brake has not been released because the brake relay is broken.

Alarm No.

Alarm Name

SUB-
Code

Meaning

Cause

Remedy

Connection failure

(1) Reset the alarm(2) If the alarm occurs again, check the con- nection and inserting state of the following cables and connectors.
[Robot axis]
·EAXA21-CN501 to 506
·Amplifier-CN581, CN584
·Power supply cable (Power cable) [External axis]
·EAXB21-CN531,532,533
·EX1SV (External axis SERVO PACK) -CN591
·Power supply cable (Power cable)

Module failure (mo- tor)

(1) Reset the alarm.
(2) If the alarm occurs again, replace the motor.

EAXA21 board failure

(1) Reset the alarm.
(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 MAINTENANCE mode, and then contact your YASKAWA representative about oc- currence status (operating procedure).

4308

VOLTAGE DROP (CONVERTER)

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

Voltage failure

Check if the primary power supply voltage is dropping.

Connection failure

(1) Reset the alarm
(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

Alarm No.

Alarm Name

SUB-
Code

Meaning

Cause

Remedy

Module failure (con- verter)

(1) Reset the alarm.(In case of major alarm, turn the power OFF then back ON.)
(2) If the alarm occurs again, replace the converter.

EAXA21 board failure

(1) Reset the alarm.
(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 MAINTENANCE mode, and then contact your YASKAWA representative about oc- currence status (operating procedure).

DEFECTIVE EN- CODER INTERNAL DATA

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

Connection failure

(1) Reset the alarm.
(2) If the alarm occurs again, check the connection and inserting state of the following cables and connectors.
{Robot axis}
∙Cables between encoders
∙EAXA21-CN508
{External axis}
∙Cables between encoders
∙EAXB21-CN534,535,536

Module failure (en- coder)

(1) Reset the alarm.
(2) If the alarm occurs again, replace the encoder.

other

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

4310

ENCODER OVER- HEAT

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

Overheated encoder

Turn OFF the DX200 power for approx. 10 minutes, then turn it ON again.

High ambient tem- perature

Adjust the ambient temperature to 40< or less.

Module failure (en- coder)

(1) Reset the alarm.
(2) If the alarm occurs again, replace the encoder.

Alarm No.

Alarm Name

SUB-
Code

Meaning

Cause

Remedy

EAXA21 board failure

(1) Reset the alarm.
(2) If the alarm occurs again, replace the EAXA, EAXB board. Save the CMOS.BIN before replacing the board to be safe.

other

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

4311

ENCODER BACK- UP ERROR

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

Module failure (encoder battery)

{AL-4314 occurred}
Replace the battery of the axis in which the error occurred.
{AL-1327 occurred}
Replace the battery of the axis in which the alarm occurred. If the home position of the corresponding axis is displayed as “***”, reg- ister the home position again.
AL-1327 occurs due to the battery disconnection (weak battery), causing undefined alarm data.
If the alarm doesn’t occur after turning the power OFF and then

Connection failure

(1) Reset the alarm.
(2) If the alarm occurs again, check the connection and inserting state of the following cables and connectors.
[Robot axis]
∙Cable between encoders
∙EAXA21-CN508
[External axis]
∙Cable between encoders
∙EAXB21-CN0534,535,536

Module failure (en- coder)

(1) Reset the alarm.
(2) If the alarm occurs again, replace the encoder.

EAXA21 board failure

(1) Reset the alarm.
(2) If the alarm occurs again, replace the EAXA, EAXB board. Save the CMOS.BIN before replacing the board to be safe.

other

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

Alarm No.

Alarm Name

SUB-
Code

Meaning

Cause

Remedy

4312

ENCODER BAT- TERY ERROR

Module failure (encoder battery)

Replace the battery.

Connection failure

(1) Reset the alarm.
(2) If the alarm occurs again, check the connection and inserting state of the following cables and connectors.

Module failure (mo- tor)

(1) Reset the alarm.
(2) If the alarm occurs again, replace the motor.

other

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

4315

COLLISION DE- TECT

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

Setting error

Check the following settings.
∙The tool information
∙The selection tap of the transfer
∙The collision detection level
∙JOB
∙Work
∙The speed of JOB
∙The acceleration/deceleration speed of ACC and DEC
∙Length of the power cables ∙Diameter of the power cables

Interference error

Remove the following interferences.
∙The interferences to the jigs of Robot.
∙The interferences to the jigs of workpieces.
∙If there is no interference between robot and workpieces, set the shock detection level to more than maximum eternal value. Up to 500% can be set.

Alarm No.

Alarm Name

SUB-
Code

Meaning

Cause

Remedy

Acceleration limit over

This alarm occurs when excessive load is applied to the motor upon the satisfactions of all the following conditions;
∙The acceleration/deceleration is automatically calculated by the robot’s position at start/end point
∙The JOB is stopped by category 1 stop or HOLD stop
∙Compared to the start/end point, excessive load is applied to the motor according to the position
<Remedy>
Adjust the acceleration/deceleration by ACC and DEC for the teaching position.
Also, make sure to run the machine enough before operation when this alarm occurs at low temperature environment (ambient temperature: 10< )

Connection failure

(1) Reset the alarm.
(2) If the alarm occurs again, check the connection and inserting state of the following cables and connectors.
∙EAXA21- CN501 to 506,CN510
∙EAXB21- CN531,532,533
∙Amplifier – CN581,582
∙Converter – CN551,552A,552B
∙EX1SV (External axis SERVO PACK) – CN591,592,595

Connection failure

(1) If the alarm occurs again, check the wiring of phase-U, -V, and
-W isn’t disconnected.
(2) If disconnected, replace the motor power wire.

Connection failure

(1) Check that the motor brake wire is not disconnected.
(2) If disconnected, replace the motor brake wire.

YBK21 board failure

(1) Reset the alarm.
(2) If the alarm occurs again, replace the YBK21 board.

Module failure (ampli- fier)

(1) Reset the alarm.
(2) If the alarm occurs again, replace the amplifier.

Alarm No.

Alarm Name

SUB-
Code

Meaning

Cause

Remedy

Module failure (mo- tor)

(1) Reset the alarm.
(2) If the alarm occurs again, replace the motor.

Maintenance failure

Measure the density of grease iron powder in the speed reducer and do the MAINTENANCE.

Defective speed re- ducer

Replace the speed reducer or the grease of it.

other

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

4316

PRESSURE DATA LIMIT

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

Setting error

Check the following settings.
∙The gun pressure file
∙The dry spotting pressure file
*Reset the pressure value in the gun pressure file below the max- imum pressure value

other

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

4317

PRELOAD ERROR

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

Effect of external force

Adjust the gun opening.

other

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

4318

SERIAL ENCODER CORRECTION LIM- IT

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) Reset the alarm.
(2) If the alarm occurs again, replace the encoder.

EAXA21 board failure

(1) Reset the alarm.
(2) If the alarm occurs again, replace the EAXA, EAXB board. Save the CMOS.BIN before replacing the board to be safe.

other

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

4319

PRELOAD ERROR 2

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

Effect of external force

Move the gun axis to another position by manual operation and then turn the SERVO power on again.

other

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

4320

OVERLOAD (CONTINUE)

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

Setting error

Check the following settings.
∙The tools or the mass of the workpieces

Interference with pe- ripheral devices

Check if the robot interferes with any objects such as workpieces or peripheral devices. If interferes, remove the object.

Setting error

Review the JOB to check if the load factor doesn’t exceed 100%.

YBK21 board failure

(1)Check if the power has been applied to the brake voltage of the following terminal.
Check that the brake has not been locked due to malfunction of the contactor.
∙YBK21-CN400
∙Motor brake terminal
(2) If any error is found, replace the YBK21 board.

Connection failure

(1) Reset the alarm.
(2) If the alarm occurs again, replace the following cables.
∙The wire harness in the robot.

Alarm No.

Alarm Name

SUB-
Code

Meaning

Cause

Remedy

Module failure (mo- tor)

(1) Reset the alarm.
(2) If the alarm occurs again, replace the motor.

EAXA21 board failure

(1) Reset the alarm.
(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) Reset the alarm.
(2) If the alarm occurs again, replace the YPU unit. Save the CMOS.BIN before replacing the board to be safe.

other

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

4321

OVERLOAD (MOMENT)

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

Setting error

Check the following settings.
∙The tools or the mass of the workpieces

Interference error

Check if the robot interferes with any objects such as workpieces or peripheral devices. If interferes, remove the object.

Setting error

Review the JOB to check if the load factor doesn’t exceed 100%.

YBK21 board failure

(1)Check if the power has been supplied to the brake voltage of the following terminal.
Check that the brake has not been locked due to malfunction of the contactor.
∙YBK21-CN400
∙Motor brake terminal
(2) If any error is found, replace the YBK21 board.

Connection failure

(1) Reset the alarm.
(2) If the alarm occurs again, replace the following cables.
∙The wire harness in the robot.

Module failure (mo- tor)

(1) Reset the alarm.
(2) If the alarm occurs again, replace the motor.

Alarm No.

Alarm Name

SUB-
Code

Meaning

Cause

Remedy

EAXA21 board failure

(1) Reset the alarm.
(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) Reset the alarm.
(2) If the alarm occurs again, replace the YPU unit. Save the CMOS.BIN before replacing the board to be safe.

other

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

4322

AMPLIFIER OVER- LOAD (CONTINUE)

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

Setting error

Check the following settings.
∙The tools or the mass of the workpieces

Interference error

Check if the robot interferes with any objects such as workpieces or peripheral devices. If interferes, remove the object.

Setting error

Review the JOB to check if the load factor doesn’t exceed 100%.

YBK21 board failure

Connection failure

(1) Reset the alarm.
(2) If the alarm occurs again, replace the following cables.
∙The wire harness in the robot.

Module failure (ampli- fier)

(1) Reset the alarm.
(2) If the alarm occurs again, replace the amplifier.

EAXA21 board failure

(1) Reset the alarm.
(2) If the alarm occurs again, replace the EAXA21 board. Save the CMOS.BIN before replacing the board to be safe.

Alarm No.

Alarm Name

SUB-
Code

Meaning

Cause

Remedy

YPU unit failure

(1) Reset the alarm.
(2) If the alarm occurs again, replace the YPU unit. Save the CMOS.BIN before replacing the board to be safe.

other

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

4323

AMPLIFIER OVER- LOAD (MOMENT)

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

Setting error

Check the following settings.
∙The tools or the mass of the workpieces

Interference error

Check if the robot interferes with any objects such as workpieces or peripheral devices. If interferes, remove the object.

Setting error

Review the JOB to check if the load factor doesn’t exceed 100%.

YBK21 board failure

Connection failure

(1) Reset the alarm.
(2) If the alarm occurs again, replace the following cables.
∙The wire harness in the robot.

Module failure (ampli- fier)

(1) Reset the alarm.
(2) If the alarm occurs again, replace the amplifier.

EAXA21 board failure

(1) Reset the alarm.
(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) Reset the alarm.
(2) If the alarm occurs again, replace the YPU unit. Save the CMOS.BIN before replacing 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 MAINTENANCE mode, and then contact your YASKAWA representative about oc- currence status (operating procedure).

4324

CONVERTER OVERLOAD

Setting error

∙Confirm that the tool and workpiece in use don’t exceed the per- missible load.
∙Adjust the JOB speed.

Module failure (con- verter)

(1) Reset the alarm.
(2) If the alarm occurs again, replace the converter.

EAXA21 board failure

(1) Reset the alarm.
(2) If the alarm occurs again, replace the EAXA21/EAXB21 board. Save the CMOS.BIN before replacing the board to be safe.

other

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

4326

OVER SPEED

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

Setting error

If the alarm occurs at the same site, check the following setting.
∙Set the lower motion speed around the site where the alarm oc- curs.
If the alarm occurs for the motor gun, check the following settings.
∙Setting of the touch speed
∙Setting of the touch pressure

Connection failure

(1) Reset the alarm.(In case of major alarm, turn the power OFF then back ON.)
(2) If the alarm occurs again, check the wiring of phase-U, -V, and
-W is correct.

Module failure (mo- tor)

(1) Reset the alarm.
(2) If the alarm occurs again, replace the motor.

EAXA21 board failure

(1) Reset the alarm.
(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 MAINTENANCE mode, and then contact your YASKAWA representative about oc- currence status (operating procedure).

Alarm No.

Alarm Name

SUB-
Code

Meaning

Cause

Remedy

4327

WRONG MOTOR ROTATION

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

Connection failure

(1) Reset the alarm.
(2) If the alarm occurs again, check the connection and insertion of the following cables and connectors.
Motor power cable
∙Amplifier-CN584
∙EX1SV(External axis SERVO pack)-CN595
∙Power supply cable (Power cable) Encoder cable
∙EAXA21-CN508
∙EAXB21-CN534,535,536
{Controller for painting use}
·YIS22 board-CNPGA,CNPGB,CNPGC,CNPG123,CPG456, CPG7
·YIS23 board-CNPGD,CNPG1,CNPG2,CNPG3

EAXA21 board failure

(1) Reset the alarm.
(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 MAINTENANCE mode, and then contact your YASKAWA representative about oc- currence status (operating procedure).

4328

SERVO TRACK- ING ERROR

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

Setting error

Check the following settings.
∙The tools or the mass of the workpieces

Interference error

Check if the robot interferes with any objects such as workpieces or peripheral devices. If interferes, remove the object.

Alarm No.

Alarm Name

SUB-
Code

Meaning

Cause

Remedy

Acceleration limit over

Connection failure

(1)Reset the alarm.
(2) If the alarm occurs again, check the connection and insertion of the following cables and connectors.
·Amplifier-CN584
·EX1SV(External axis SERVO pack)-CN595
·Motor power wiring
·Power supply cable (Power cable)
·EAXB21 board-CN534,CN535,CN536
{Controller for painting use}
·YIS22 board-CNPGA,CNPGB,CNPGC,CNPG123,CPG456, CPG7
·YIS23 board-CNPGD,CNPG1,CNPG2,CNPG3

Alarm No.

Alarm Name

SUB-
Code

Meaning

Cause

Remedy

YBK21 board failure

YPU unit failure

(1) Reset the alarm.
(2) If the alarm occurs again, replace the YPU unit. Save the CMOS.BIN before replacing the board to be safe.

Module failure (ampli- fier)

(1) Reset the alarm.
(2) If the alarm occurs again, replace the amplifier.

Module failure (mo- tor)

(1) Reset the alarm.
(2) If the alarm occurs again, replace the motor.

EAXA21 board failure

(1) Reset the alarm.
(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 MAINTENANCE mode, and then contact your YASKAWA representative about oc- currence status (operating procedure).

4329

SAFETY SPEED ERROR (SERVO)

The motion speed at the center of the flange exceeded the specified max. speed. (R1)

Setting error

Check the following settings.
∙Reduction in the motion speed

Setting error

Reset the alarm, and then try again.

Connection failure

(1) Reset the alarm.
(2) If the alarm occurs again, check that U-, V- and W-phase are appropriately connected.

Module failure (mo- tor)

(1) Reset the alarm.
(2) If the alarm occurs again, replace the motor.

Alarm No.

Alarm Name

SUB-
Code

Meaning

Cause

Remedy

EAXA21 board failure

(1) Reset the alarm.
(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 MAINTENANCE mode, and then contact your YASKAWA representative about oc- currence status (operating procedure).

The motion speed at the center of the flange exceeded the specified max. speed. (R1).

Setting error

Check the following settings.
∙Reduction in the motion speed

Setting error

Reset the alarm, and then try again.

Connection failure

(1) Reset the alarm.
(2) If the alarm occurs again, check that U-, V- and W-phase are appropriately connected.

Module failure (mo- tor)

(1) Reset the alarm.
(2) If the alarm occurs again, replace the motor.

EAXA21 board failure

(1) Reset the alarm.
(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 MAINTENANCE mode, and then contact your YASKAWA representative about oc- currence status (operating procedure).

The motion speed at the center of the con- trol point exceeded the specified max. speed. (R1)

Setting error

Check the following settings.
∙Reduction in the motion speed

Setting error

Reset the alarm, and then try again.

Alarm No.

Alarm Name

SUB-
Code

Meaning

Cause

Remedy

Connection failure

(1) Reset the alarm.
(2) If the alarm occurs again, check that U-, V- and W-phase are appropriately connected.

Module failure (mo- tor)

(1) Reset the alarm.
(2) If the alarm occurs again, replace the motor.

EAXA21 board failure

(1) Reset the alarm.
(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 MAINTENANCE mode, and then contact your YASKAWA representative about oc- currence status (operating procedure).

The motion speed at the center of the con- trol point exceeded the specified max. speed. (R1)

Setting error

Check the following settings.
∙Reduction in the motion speed

Setting error

Reset the alarm, and then try again.

Connection failure

(1) Reset the alarm.
(2) If the alarm occurs again, check that U-, V- and W-phase are appropriately connected.

Module failure (mo- tor)

(1) Reset the alarm.
(2) If the alarm occurs again, replace the motor.

EAXA21 board failure

(1) Reset the alarm.
(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 MAINTENANCE mode, and then contact your YASKAWA representative about oc- currence status (operating procedure).

Alarm No.

Alarm Name

SUB-
Code

Meaning

Cause

Remedy

211

The motion speed at the center of the flange exceeded the specified max. speed. (R2)

Setting error

Check the following settings.
∙Reduction in the motion speed

Setting error

Reset the alarm, and then try again.

Connection failure

(1) Reset the alarm.
(2) If the alarm occurs again, check that U-, V- and W-phase are appropriately connected.

Module failure (mo- tor)

(1) Reset the alarm.
(2) If the alarm occurs again, replace the motor.

EAXA21 board failure

(1) Reset the alarm.
(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 MAINTENANCE mode, and then contact your YASKAWA representative about oc- currence status (operating procedure).

212

The motion speed at the center of the flange exceeded the specified max. speed. (R2)

Setting error

Check the following settings.
∙Reduction in the motion speed

Setting error

Reset the alarm, and then try again.

Connection failure

(1) Reset the alarm.
(2) If the alarm occurs again, check that U-, V- and W-phase are appropriately connected.

Module failure (mo- tor)

(1) Reset the alarm.
(2) If the alarm occurs again, replace the motor.

EAXA21 board failure

(1) Reset the alarm.
(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 MAINTENANCE mode, and then contact your YASKAWA representative about oc- currence status (operating procedure).

221

The motion speed at the center of the con- trol point exceeded the specified max. speed. (R2)

Setting error

Check the following settings.
∙Reduction in the motion speed

Setting error

Reset the alarm, and then try again.

Connection failure

(1) Reset the alarm.
(2) If the alarm occurs again, check that U-, V- and W-phase are appropriately connected.

Module failure (mo- tor)

(1) Reset the alarm.
(2) If the alarm occurs again, replace the motor.

EAXA21 board failure

(1) Reset the alarm.
(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 MAINTENANCE mode, and then contact your YASKAWA representative about oc- currence status (operating procedure).

222

The motion speed at the center of the con- trol point exceeded the specified max. speed. (R2)

Setting error

Check the following settings.
∙Reduction in the motion speed

Setting error

Reset the alarm, and then try again.

Connection failure

(1) Reset the alarm.
(2) If the alarm occurs again, check that U-, V- and W-phase are appropriately connected.

Module failure (mo- tor)

(1) Reset the alarm.
(2) If the alarm occurs again, replace the motor.

Alarm No.

Alarm Name

SUB-
Code

Meaning

Cause

Remedy

EAXA21 board failure

(1) Reset the alarm.
(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 MAINTENANCE mode, and then contact your YASKAWA representative about oc- currence status (operating procedure).

311

The motion speed at the center of the flange exceeded the specified max. speed. (R3)

Setting error

Check the following settings.
∙Reduction in the motion speed

Setting error

Reset the alarm, and then try again.

Connection failure

(1) Reset the alarm.
(2) If the alarm occurs again, check that U-, V- and W-phase are appropriately connected.

Module failure (mo- tor)

(1) Reset the alarm.
(2) If the alarm occurs again, replace the motor.

EAXA21 board failure

(1) Reset the alarm.
(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 MAINTENANCE mode, and then contact your YASKAWA representative about oc- currence status (operating procedure).

312

The motion speed at the center of the flange exceeded the specified max. speed. (R3)

Setting error

Check the following settings.
∙Reduction in the motion speed

Setting error

Reset the alarm, and then try again.

Alarm No.

Alarm Name

SUB-
Code

Meaning

Cause

Remedy

Connection failure

(1) Reset the alarm.
(2) If the alarm occurs again, check that U-, V- and W-phase are appropriately connected.

Module failure (mo- tor)

(1) Reset the alarm.
(2) If the alarm occurs again, replace the motor.

EAXA21 board failure

(1) Reset the alarm.
(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 MAINTENANCE mode, and then contact your YASKAWA representative about oc- currence status (operating procedure).

321

The motion speed at the center of the con- trol point exceeded the specified max. speed. (R3)

Setting error

Check the following settings.
∙Reduction in the motion speed

Setting error

Reset the alarm, and then try again.

Connection failure

(1) Reset the alarm.
(2) If the alarm occurs again, check that U-, V- and W-phase are appropriately connected.

Module failure (mo- tor)

(1) Reset the alarm.
(2) If the alarm occurs again, replace the motor.

EAXA21 board failure

(1) Reset the alarm.
(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 MAINTENANCE mode, and then contact your YASKAWA representative about oc- currence status (operating procedure).

Alarm No.

Alarm Name

SUB-
Code

Meaning

Cause

Remedy

322

The motion speed at the center of the con- trol point exceeded the specified max. speed. (R3)

Setting error

Check the following settings.
∙Reduction in the motion speed

Setting error

Reset the alarm, and then try again.

Connection failure

(1) Reset the alarm.
(2) If the alarm occurs again, check that U-, V- and W-phase are appropriately connected.

Module failure (mo- tor)

(1) Reset the alarm.
(2) If the alarm occurs again, replace the motor.

EAXA21 board failure

(1) Reset the alarm.
(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 MAINTENANCE mode, and then contact your YASKAWA representative about oc- currence status (operating procedure).

411

The motion speed at the center of the flange exceeded the specified max. speed. (R4)

Setting error

Check the following settings.
∙Reduction in the motion speed

Setting error

Reset the alarm, and then try again.

Connection failure

(1) Reset the alarm.
(2) If the alarm occurs again, check that U-, V- and W-phase are appropriately connected.

Module failure (mo- tor)

(1) Reset the alarm.
(2) If the alarm occurs again, replace the motor.

EAXA21 board failure

(1) Reset the alarm.
(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 MAINTENANCE mode, and then contact your YASKAWA representative about oc- currence status (operating procedure).

412

The motion speed at the center of the flange exceeded the specified max. speed. (R4)

Setting error

Check the following settings.
∙Reduction in the motion speed

Setting error

Reset the alarm, and then try again.

Connection failure

(1) Reset the alarm.
(2) If the alarm occurs again, check that U-, V- and W-phase are appropriately connected.

Module failure (mo- tor)

(1) Reset the alarm.
(2) If the alarm occurs again, replace the motor.

EAXA21 board failure

(1) Reset the alarm.
(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 MAINTENANCE mode, and then contact your YASKAWA representative about oc- currence status (operating procedure).

421

The motion speed at the center of the con- trol point exceeded the specified max. speed. (R4)

Setting error

Check the following settings.
∙Reduction in the motion speed

Setting error

Reset the alarm, and then try again.

Connection failure

(1) Reset the alarm.
(2) If the alarm occurs again, check that U-, V- and W-phase are appropriately connected.

Module failure (mo- tor)

(1) Reset the alarm.
(2) If the alarm occurs again, replace the motor.

Alarm No.

Alarm Name

SUB-
Code

Meaning

Cause

Remedy

EAXA21 board failure

(1) Reset the alarm.
(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 MAINTENANCE mode, and then contact your YASKAWA representative about oc- currence status (operating procedure).

422

The motion speed at the center of the con- trol point exceeded the specified max. speed. (R4)

Setting error

Check the following settings.
∙Reduction in the motion speed

Setting error

Reset the alarm, and then try again.

Connection failure

(1) Reset the alarm.
(2) If the alarm occurs again, check that U-, V- and W-phase are appropriately connected.

Module failure (mo- tor)

(1) Reset the alarm.
(2) If the alarm occurs again, replace the motor.

EAXA21 board failure

(1) Reset the alarm.
(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 MAINTENANCE mode, and then contact your YASKAWA representative about oc- currence status (operating procedure).

511

The motion speed at the center of the flange exceeded the specified max. speed. (R5)

Setting error

Check the following settings.
∙Reduction in the motion speed

Setting error

Reset the alarm, and then try again.

Alarm No.

Alarm Name

SUB-
Code

Meaning

Cause

Remedy

Connection failure

(1) Reset the alarm.
(2) If the alarm occurs again, check that U-, V- and W-phase are appropriately connected.

Module failure (mo- tor)

(1) Reset the alarm.
(2) If the alarm occurs again, replace the motor.

EAXA21 board failure

(1) Reset the alarm.
(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 MAINTENANCE mode, and then contact your YASKAWA representative about oc- currence status (operating procedure).

512

The motion speed at the center of the flange exceeded the specified max. speed. (R5)

Setting error

Check the following settings.
∙Reduction in the motion speed

Setting error

Reset the alarm, and then try again.

Connection failure

(1) Reset the alarm.
(2) If the alarm occurs again, check that U-, V- and W-phase are appropriately connected.

Module failure (mo- tor)

(1) Reset the alarm.
(2) If the alarm occurs again, replace the motor.

EAXA21 board failure

(1) Reset the alarm.
(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 MAINTENANCE mode, and then contact your YASKAWA representative about oc- currence status (operating procedure).

Alarm No.

Alarm Name

SUB-
Code

Meaning

Cause

Remedy

521

The motion speed at the center of the con- trol point exceeded the specified max. speed. (R5)

Setting error

Check the following settings.
∙Reduction in the motion speed

Setting error

Reset the alarm, and then try again.

Connection failure

(1) Reset the alarm.
(2) If the alarm occurs again, check that U-, V- and W-phase are appropriately connected.

Module failure (mo- tor)

(1) Reset the alarm.
(2) If the alarm occurs again, replace the motor.

EAXA21 board failure

(1) Reset the alarm.
(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 MAINTENANCE mode, and then contact your YASKAWA representative about oc- currence status (operating procedure).

522

The motion speed at the center of the con- trol point exceeded the specified max. speed. (R5)

Setting error

Check the following settings.
∙Reduction in the motion speed

Setting error

Reset the alarm, and then try again.

Connection failure

(1) Reset the alarm.
(2) If the alarm occurs again, check that U-, V- and W-phase are appropriately connected.

Module failure (mo- tor)

(1) Reset the alarm.
(2) If the alarm occurs again, replace the motor.

EAXA21 board failure

(1) Reset the alarm.
(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 MAINTENANCE mode, and then contact your YASKAWA representative about oc- currence status (operating procedure).

611

The motion speed at the center of the flange exceeded the specified max. speed. (R6)

Setting error

Check the following settings.
∙Reduction in the motion speed

Setting error

Reset the alarm, and then try again.

Connection failure

(1) Reset the alarm.
(2) If the alarm occurs again, check that U-, V- and W-phase are appropriately connected.

Module failure (mo- tor)

(1) Reset the alarm.
(2) If the alarm occurs again, replace the motor.

EAXA21 board failure

(1) Reset the alarm.
(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 MAINTENANCE mode, and then contact your YASKAWA representative about oc- currence status (operating procedure).

612

The motion speed at the center of the flange exceeded the specified max. speed. (R6)

Setting error

Check the following settings.
∙Reduction in the motion speed

Setting error

Reset the alarm, and then try again.

Connection failure

(1) Reset the alarm.
(2) If the alarm occurs again, check that U-, V- and W-phase are appropriately connected.

Module failure (mo- tor)

(1) Reset the alarm.
(2) If the alarm occurs again, replace the motor.

Alarm No.

Alarm Name

SUB-
Code

Meaning

Cause

Remedy

EAXA21 board failure

(1) Reset the alarm.
(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 MAINTENANCE mode, and then contact your YASKAWA representative about oc- currence status (operating procedure).

621

The motion speed at the center of the con- trol point exceeded the specified max. speed. (R6)

Setting error

Check the following settings.
∙Reduction in the motion speed

Setting error

Reset the alarm, and then try again.

Connection failure

(1) Reset the alarm.
(2) If the alarm occurs again, check that U-, V- and W-phase are appropriately connected.

Module failure (mo- tor)

(1) Reset the alarm.
(2) If the alarm occurs again, replace the motor.

EAXA21 board failure

(1) Reset the alarm.
(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 MAINTENANCE mode, and then contact your YASKAWA representative about oc- currence status (operating procedure).

622

The motion speed at the center of the con- trol point exceeded the specified max. speed. (R6)

Setting error

Check the following settings.
∙Reduction in the motion speed

Setting error

Reset the alarm, and then try again.

Alarm No.

Alarm Name

SUB-
Code

Meaning

Cause

Remedy

Connection failure

(1) Reset the alarm.
(2) If the alarm occurs again, check that U-, V- and W-phase are appropriately connected.

Module failure (mo- tor)

(1) Reset the alarm.
(2) If the alarm occurs again, replace the motor.

EAXA21 board failure

(1) Reset the alarm.
(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 MAINTENANCE mode, and then contact your YASKAWA representative about oc- currence status (operating procedure).

711

The motion speed at the center of the flange exceeded the specified max. speed. (R7)

Setting error

Check the following settings.
∙Reduction in the motion speed

Setting error

Reset the alarm, and then try again.

Connection failure

(1) Reset the alarm.
(2) If the alarm occurs again, check that U-, V- and W-phase are appropriately connected.

Module failure (mo- tor)

(1) Reset the alarm.
(2) If the alarm occurs again, replace the motor.

EAXA21 board failure

(1) Reset the alarm.
(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 MAINTENANCE mode, and then contact your YASKAWA representative about oc- currence status (operating procedure).

Alarm No.

Alarm Name

SUB-
Code

Meaning

Cause

Remedy

712

The motion speed at the center of the flange exceeded the specified max. speed. (R7)

Setting error

Check the following settings.
∙Reduction in the motion speed

Setting error

Reset the alarm, and then try again.

Connection failure

(1) Reset the alarm.
(2) If the alarm occurs again, check that U-, V- and W-phase are appropriately connected.

Module failure (mo- tor)

(1) Reset the alarm.
(2) If the alarm occurs again, replace the motor.

EAXA21 board failure

(1) Reset the alarm.
(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 MAINTENANCE mode, and then contact your YASKAWA representative about oc- currence status (operating procedure).

721

The motion speed at the center of the con- trol point exceeded the specified max. speed. (R7)

Setting error

Check the following settings.
∙Reduction in the motion speed

Setting error

Reset the alarm, and then try again.

Connection failure

(1) Reset the alarm.
(2) If the alarm occurs again, check that U-, V- and W-phase are appropriately connected.

Module failure (mo- tor)

(1) Reset the alarm.
(2) If the alarm occurs again, replace the motor.

EAXA21 board failure

(1) Reset the alarm.
(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 MAINTENANCE mode, and then contact your YASKAWA representative about oc- currence status (operating procedure).

722

The motion speed at the center of the con- trol point exceeded the specified max. speed. (R7)

Setting error

Check the following settings.
∙Reduction in the motion speed

Setting error

Reset the alarm, and then try again.

Connection failure

(1) Reset the alarm.
(2) If the alarm occurs again, check that U-, V- and W-phase are appropriately connected.

Module failure (mo- tor)

(1) Reset the alarm.
(2) If the alarm occurs again, replace the motor.

EAXA21 board failure

(1) Reset the alarm.
(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 MAINTENANCE mode, and then contact your YASKAWA representative about oc- currence status (operating procedure).

811

The motion speed at the center of the flange exceeded the specified max. speed. (R8)

Setting error

Check the following settings.
∙Reduction in the motion speed

Setting error

Reset the alarm, and then try again.

Connection failure

(1) Reset the alarm.
(2) If the alarm occurs again, check that U-, V- and W-phase are appropriately connected.

Module failure (mo- tor)

(1) Reset the alarm.
(2) If the alarm occurs again, replace the motor.

Alarm No.

Alarm Name

SUB-
Code

Meaning

Cause

Remedy

EAXA21 board failure

(1) Reset the alarm.
(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 MAINTENANCE mode, and then contact your YASKAWA representative about oc- currence status (operating procedure).

812

The motion speed at the center of the flange exceeded the specified max. speed. (R8)

Setting error

Check the following settings.
∙Reduction in the motion speed

Setting error

Reset the alarm, and then try again.

Connection failure

(1) Reset the alarm.
(2) If the alarm occurs again, check that U-, V- and W-phase are appropriately connected.

Module failure (mo- tor)

(1) Reset the alarm.
(2) If the alarm occurs again, replace the motor.

EAXA21 board failure

(1) Reset the alarm.
(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 MAINTENANCE mode, and then contact your YASKAWA representative about oc- currence status (operating procedure).

821

The motion speed at the center of the con- trol point exceeded the specified max. speed. (R8)

Setting error

Check the following settings.
∙Reduction in the motion speed

Setting error

Reset the alarm, and then try again.

Alarm No.

Alarm Name

SUB-
Code

Meaning

Cause

Remedy

Connection failure

(1) Reset the alarm.
(2) If the alarm occurs again, check that U-, V- and W-phase are appropriately connected.

Module failure (mo- tor)

(1) Reset the alarm.
(2) If the alarm occurs again, replace the motor.

EAXA21 board failure

(1) Reset the alarm.
(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 MAINTENANCE mode, and then contact your YASKAWA representative about oc- currence status (operating procedure).

822

The motion speed at the center of the con- trol point exceeded the specified max. speed. (R8)

Setting error

Check the following settings.
∙Reduction in the motion speed

Setting error

Reset the alarm, and then try again.

Connection failure

(1) Reset the alarm.
(2) If the alarm occurs again, check that U-, V- and W-phase are appropriately connected.

Module failure (mo- tor)

(1) Reset the alarm.
(2) If the alarm occurs again, replace the motor.

EAXA21 board failure

(1) Reset the alarm.
(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 MAINTENANCE mode, and then contact your YASKAWA representative about oc- currence status (operating procedure).

Alarm No.

Alarm Name

SUB-
Code

Meaning

Cause

Remedy

4330

BROKEN SPEED MONITOR LINE

Connection failure

(1) Reset the alarm.
(2) If the alarm occurs again, check the connection and inserting state of the following cables and connectors.
∙Speed monitor unit

other

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

4331

SPEED MONITOR LEVEL ERROR

EAXA21 board failure

(1) Reset the alarm.
(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 MAINTENANCE mode, and then contact your YASKAWA representative about oc- currence status (operating procedure).

4334

OVERVOLTAGE (CONVERTER)

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

Connection failure

(1) Reset the alarm.
(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

Setting error

Check the following settings.
∙The load mounted on the robot

Voltage failure

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

Module failure
(Regenerative resis- tor)

(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) Reset the alarm.
(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 replacing the board to be safe.

other

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

4335

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 converter, 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.

Alarm No.

Alarm Name

SUB-
Code

Meaning

Cause

Remedy

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 (mo- tor)

(1) Reset the alarm.
(2) If the alarm occurs again, replace the motor.

Module failure (ampli- fier)

(1) Reset the alarm.
(2) If the alarm occurs again, replace the amplifier.

Module failure (con- tactor)

(1) Reset the alarm.
(2) If the alarm occurs again, replace the contactor.

EAXA21 board failure

(1) Reset the alarm.
(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) Reset the alarm.
(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 MAINTENANCE mode, and then contact your YASKAWA representative about oc- currence status (operating procedure).

4336

OPEN PHASE (CONVERTER)

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

Connection failure

Voltage failure

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

YPU unit failure

(1) Reset the alarm.
(2) If the alarm occurs again, replace the YSF21 board. Save the CMOS.BIN before replacing the YPU unit to be safe.

Alarm No.

Alarm Name

SUB-
Code

Meaning

Cause

Remedy

Module failure (con- verter)

(1) Reset the alarm.
(2) If the alarm occurs again, replace the converter.

EAXA21 board failure

(1) Reset the alarm.
(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 MAINTENANCE mode, and then contact your YASKAWA representative about oc- currence status (operating procedure).

4337

OVERCURRENT (AMP)

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

Connection failure

(1) Reset the alarm.
(2) If the alarm occurs again, replace the following cables.
∙robot cable
∙Supply cable

Module failure (ampli- fier)

(1) Reset the alarm.
(2) If the alarm occurs again, replace the amplifier.

Module failure (mo- tor)

(1) Reset the alarm.
(2) If the alarm occurs again, replace the motor.

EAXA21 board failure

(1) Reset the alarm.
(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 MAINTENANCE mode, and then contact your YASKAWA representative about oc- currence status (operating procedure).

Alarm No.

Alarm Name

SUB-
Code

Meaning

Cause

Remedy

4338

REGENERATIVE TROUBLE (CON- VERTER)

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

Connection failure

Module failure (Re- generative resistor)

Replace the regenerative resistor.

Module failure (con- verter)

(1) Reset the alarm.
(2) If the alarm occurs again, replace the converter.

EAXA21 board failure

(1) Reset the alarm.
(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 MAINTENANCE mode, and then contact your YASKAWA representative about oc- currence status (operating procedure).

4339

INPUT POWER OVER VOLTAGE (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% to15%).

Connection failure

Module failure (con- verter)

(1) Reset the alarm.
(2) If the alarm occurs again, replace the converter.

Alarm No.

Alarm Name

SUB-
Code

Meaning

Cause

Remedy

EAXA21 board failure

(1) Reset the alarm.
(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 MAINTENANCE mode, and then contact your YASKAWA representative about oc- currence status (operating procedure).

4340

TEMPERATURE ERROR (CON- VERTER)

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

Install failure

Check that the air inlet or outlet is not blocked.

High ambient tem- perature

Adjust the ambient temperature to 40°C or less.

Voltage failure

Modify the primary breaker voltage to the specified voltage 200V(+10% to 5%).

Connection failure

Module failure (con- verter)

(1) Reset the alarm.
(2) If the alarm occurs again, replace the converter.

EAXA21 board failure

(1) Reset the alarm.
(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 MAINTENANCE mode, and then contact your YASKAWA representative about oc- currence status (operating procedure).

Alarm No.

Alarm Name

SUB-
Code

Meaning

Cause

Remedy

4342

SV DRESS SPEED ERR

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

Metal pieces getting into dresser blades

Check if metal pieces getting into dresser blades prevent the dresser from rotating.

Setting error

Check if the “SPEED FLUCTUATION LIMIT” setting in TIP DRESS CONDITION file is too small.

Connection failure

(1Reset the alarm.
(2) If the alarm occurs again, check the connection and insertion of the following cables and connectors.
∙Amplifier-CN584
∙EX1SV(External axis SERVO pack)-CN595
∙Motor power wiring
∙Power supply cable (Power cable)

YBK21 board failure

YPU unit failure

(1) Reset the alarm.
(2) If the alarm occurs again, replace the YPU unit. Save the CMOS.BIN before replacing the board to be safe.

Module failure (ampli- fier)

(1) Reset the alarm.
(2) If the alarm occurs again, replace the amplifier.

Module failure (mo- tor)

(1) Reset the alarm.
(2) If the alarm occurs again, replace the motor.

EAXA21 board failure

(1) Reset the alarm.
(2) If the alarm occurs again, replace the EAXA21 board. Save the CMOS.BIN before replacing 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 MAINTENANCE mode, and then contact your YASKAWA representative about oc- currence status (operating procedure).

4343

SV DRESS SPEED ERR (UNDER PRESS)

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

Metal pieces getting into dresser blades

Check if metal pieces getting into dresser blades prevent the dresser from rotating.

Setting error

Check the following settings.
∙”PRESS CONDITION” setting in TIP DRESS CONDITION file is too small. (Check if they are too high.)
∙”SPEED FLUCTUATION LIMIT” setting in TIP DRESS CONDI-
TION file. (Check if it is too small).

Connection failure

(1) Reset the alarm.
(2) If the alarm occurs again, check the connection and insertion of the following cables and connectors.
∙Amplifier-CN584
∙EX1SV(External axis SERVO pack)-CN595
∙Motor power wiring
∙Power supply cable (Power cable)

YBK21 board failure

(1) Check if the power has been supplied to the brake voltage of the following terminal.
Check that the brake has not been locked due to malfunction of the contactor.
∙YBK21-CN400
∙Motor brake terminal
(2) If any error is found, replace the YBK21 board.

YPU unit failure

(1) Reset the alarm.
(2) If the alarm occurs again, replace the YPU unit. Save the CMOS.BIN before replacing the board to be safe.

Module failure (ampli- fier)

(1) Reset the alarm.
(2) If the alarm occurs again, replace the amplifier.

Module failure (mo- tor)

(1) Reset the alarm.
(2) If the alarm occurs again, replace the motor.

Alarm No.

Alarm Name

SUB-
Code

Meaning

Cause

Remedy

EAXA21 board failure

(1) Reset the alarm.
(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 MAINTENANCE mode, and then contact your YASKAWA representative about oc- currence status (operating procedure).

4344

LINEAR SERVO- FLOAT TRACKING ERROR

Setting error

(1) Check the settings for JOBs.
(2) Reset the alarm.

other

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

4345

LNK SERVOFLOAT EXECUTE ERROR

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

Setting error

(1) Check the settings for JOBs.
(2) Reset the alarm.

other

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

4346

LNK SERVOFLOAT TRQ LIMIT ERROR

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

Setting error

(1) Check the limit torque of the link SERVO float condition file.
(2) Reset the alarm.

other

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

4347

LNR SERVO- FLOAT TRQ LIMIT ERROR

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

Setting error

(1) Check the limit torque of the link SERVO float condition file.
(2) Reset the alarm.

other

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

Alarm No.

Alarm Name

SUB-
Code

Meaning

Cause

Remedy

4348

LNR SERVO- FLOAT COORD TYPE ERROR

SUB-Code: Signifies linear SERVO float condition file number in which the alarm oc- curred

Setting error

(1) Check the setting file of the JOB and the linear SERVO float.
(2) Reset the alarm.

other

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

4349

LNR SERVO- FLOAT TOOL POSE ERROR

Setting error

(1) Check the setting file of the JOB and the linear SERVO float.
(2) Reset the alarm.

other

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

4350

LNR SERVO- FLOAT EXECUTE ERROR

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

Setting error

(1) Check the settings for JOBs.
(2) Reset the alarm.

other

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

4351

DRIVE BELT SNAP DETECT

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

Driving belt failure

(1) Check that the driving belt is not broken.
(2) If the driving belt is broken, replace the driving belt.

other

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

Alarm No.

Alarm Name

SUB-
Code

Meaning

Cause

Remedy

4352

TWIN DRIVE OVER DEVIATION

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

Connection failure

Connection failure (motor power)

(1) If the alarm occurs again, check the wiring of phase-U, -V, and
-W isn’t disconnected.
(2) If disconnected, replace the motor power wire.

Connection failure (motor brake)

(1) Check that the motor brake wire is not disconnected.
(2) If disconnected, replace the motor brake wire.

YBK21 board failure

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

Module failure (ampli- fier)

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

Module failure (mo- tor)

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

other

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

4353

DEFECTIVE TAUGHT POINT (ENDLESS)

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

Setting error

Check the following settings.
∙Setting of the command soft (JOB)
∙MRESET instruction to corresponding axis

EAXA21 board failure

(1) Reset the alarm.
(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 MAINTENANCE mode, and then contact your YASKAWA representative about oc- currence status (operating procedure).

Alarm No.

Alarm Name

SUB-
Code

Meaning

Cause

Remedy

4354

FILE NO. ERROR (SHOCK LEVEL)

SUB-Code: File num- ber

Setting error

Do not use the collision detection file for exclusive use for the SVSPOT with the SHCKSET instruction.

other

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

4355

EXTERNAL PRES DETECT (SERVO- FLOAT)

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

Setting error

Check the settings for JOBs.

other

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

4356

ARM CTRL PA- RAMETER ERR (OBSERVER)

Setting error

Check the settings for JOBs.

other

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

4357

IMPOSSIBLE SRCH (EQUALIZE TEACH)

Setting error

Check the settings for JOBs.

other

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

4358

DUPLICATED PRESS ERROR

Setting error

End the current pressuring operation, and then execute the pres- suring instruction.

other

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

Alarm No.

Alarm Name

SUB-
Code

Meaning

Cause

Remedy

4359

CONVERTER ER- ROR

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

Connection failure

Module failure (con- verter)

(1) Reset the alarm.
(2) If the alarm occurs again, replace the converter.

EAXA21 board failure

(1) Reset the alarm.
(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 MAINTENANCE mode, and then contact your YASKAWA representative about oc- currence status (operating procedure).

4360

WAFER ALIGN- MENT ERROR (SERVO)

Connection failure

Check the connection of prealigner.

other

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

4362

POWER SUPPLY READY ERROR (SERVO)

Connection failure

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 replacing the board to be safe.

Alarm No.

Alarm Name

SUB-
Code

Meaning

Cause

Remedy

Software operation error occurred

(1) Reset the alarm.
(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).

4363

BASE BLOCK SIG- NAL ERROR (SER- VO)

Connection failure

EAXA21 board failure

(1) Reset the alarm.
(2) If the alarm occurs again, replace the EAXA21 board. Save the CMOS.BIN before replacing the board to be safe.

Software operation error occurred

(1) Reset the alarm.
(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).

4364

GUN SOFTLIMIT

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

Setting error

Check the following settings.
∙Home position of gun axis
[Released side]
Reset the software limit of released side gun. (Parameter S1CxG400 or 408)
[Closed side]
Reset the software limit at the gun closed side. Add the moving amount of tip wear. (Parameter S1CxG400 or 408)

other

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

Alarm No.

Alarm Name

SUB-
Code

Meaning

Cause

Remedy

4365

TOUCH DETECT DATA OVER

Setting error

Check the following settings.
∙Home position of gun axis
∙”ALLOAWABLE TOUCH RANGE” in the GUN DETAIL SETTING
file
∙”PULSE – STROKE” setting in the GUN CONDITION file.

other

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

4366

GUN BEND COM- PENSATION SET ERROR

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

Setting error

Check if this model is supported.

other

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

4367

ROBOT POSE ER- ROR

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

Setting error

(1)Check the teaching position.
(2)In case the alarm occurs at SVSPOT or SVSPOTMOV instruc- tion, if you disable the gun arm bend compensation by specifying the BCOFF tag to the instruction, the alarm won’t occur.

other

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

4371

SYSTEM ERROR (SERVO)

161

Automatic test data error

Software operation error occurred

(1) Reset the alarm, and then try again.
(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).

250

Control filter error.

Software operation error occurred

Alarm No.

Alarm Name

SUB-
Code

Meaning

Cause

Remedy

251

Control filter error.

Software operation error occurred

260

Control filter error.

Software operation error occurred

261

Control filter error.

Software operation error occurred

7101

The override ratio is invalid.

Software operation error occurred

7102

The override ratio is invalid.

Software operation error occurred

7103

The override ratio is invalid.

Software operation error occurred

7104

The override ratio is invalid.

Software operation error occurred

7105

The override ratio is invalid.

Software operation error occurred

Alarm No.

Alarm Name

SUB-
Code

Meaning

Cause

Remedy

7106

The override ratio is invalid.

Software operation error occurred

7107

The override ratio is invalid.

Software operation error occurred

7108

The override ratio is invalid.

Software operation error occurred

7109

The override ratio is invalid.

Software operation error occurred

7610

Gun Auto-tuning error

Software operation error occurred

4372

SERVO ON SIG- NAL ERROR

Connection failure

Check the connections between YPU unit and EAXA21 board. Replace the YPU unit.

other

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

4378

CANNOT EXE- CUTE BRAKE LINE CHECK

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

Connection failure

(1) Reset the alarm.
(2) If the alarm occurs again, check the brake connection.

other

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

Alarm No.

Alarm Name

SUB-
Code

Meaning

Cause

Remedy

4379

SAFETY RELAY ERROR (SERVO)

SUB-Code: Signifies the control axis num- ber which detected an error

Setting error

(1) Check the following settings.
∙Check the settings for CONNECTION(STO/CONTACTOR) in MAINTENANCE mode
∙When CONNECTION setup is CONTACTOR, check that the safety function’s jumper connector is inserted in EAXA21 board CN521, or EAXB21 board CN522/523/524.

Connection failure

(1) Reset the alarm.
(2) If the alarm occurs again, check the connection and inserting state of the following cables and connectors.
∙EAXA21 board CN521(Safety function’s jumper connector)
∙EAXB21 board CN522/523/524(Safety function’s jumper con- nector)
∙YSF22 board CN217

YSF22 board failure

(1) Reset the alarm.
(2) If the alarm occurs again, replace the YSF22 board. Save the CMOS.BIN before replacing the board to be safe.

EAXA21 board failure

(1) Reset the alarm.
(2) If the alarm occurs again, replace the EAXA21 board. Save the CMOS.BIN before replacing the board to be safe.

EAXB21 board failure

(1) Reset the alarm.
(2) If the alarm occurs again, replace the EAXB21 board. Save the CMOS.BIN before replacing the board to be safe.

other

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

4398

PULSE LIMIT(SER- VO)

SUB-Code: Control group and axis

Setting error

(1) Check the following settings.
·Perform the teaching again to correct positions for robots so that the step where the alarm occurred is within the motion range.