Alarm List
Alarm Number (4000 to 4999)
Alarm List-707
Module failure (motor) (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 occurrence
status (operating procedure).
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 occurrence
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 occurrence
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 manipulator
Voltage failure Modify the primary breaker voltage to the specified voltage
200V(+10% to 15%).
Alarm
Number
Alarm Name
Sub
Code
Meaning Cause Remedy
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