Alarm List
Alarm Number (4000 to 4999)
Alarm List-710
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).
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, 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)Reset the alarm.
(2)If the alarm occurs again, replace the following cables.
∙ Manipulator cable
∙ Supply cable
Module failure (amplifier) (1)Reset the alarm.
(2)If the alarm occurs again, replace the amplifier.
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 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).
4338 REGENERATIVE
TROUBLE
(CONVERTER)
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-CN507,510
∙ EAXB21-CN531,532,533
∙ Converter-CN557
∙ Cable between the regenerative resistors
Alarm
Number
Alarm Name
Sub
Code
Meaning Cause Remedy
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