Remedies For Alarms - Mitsubishi Electric MELSERVO-JE Instruction Manual

1. SERVO AMPLIFIER TROUBLESHOOTING

1.4 Remedies for alarms

CAUTION
Remove the cause of the alarm in accordance with this section. Use MR Configurator2 to refer to the cause
of alarm occurrence.
When an alarm occurs, eliminate its cause, ensure safety, and deactivate the
alarm to restart operation. Otherwise, it may cause injury.
If [AL. 25 Absolute position erased] occurs, perform the home position setting
again. Otherwise, it may cause an unexpected operation.
As soon as an alarm occurs, make the servo-off status and interrupt the power.
POINT
When any of the following alarms occurs, do not deactivate the alarm repeatedly
to restart operation. Doing so will cause a malfunction of the servo amplifier and
servo motor. Remove its cause and allow 30 minutes or more for cooling, and
then resume the operation.
[AL. 30 Regenerative error]
[AL. 46 Servo motor overheat]
[AL. 51 Overload 2]
[AL. 37 Parameter error] is not recorded in the alarm history.
[AL. 45 Main circuit device overheat]
[AL. 50 Overload 1]
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