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AL2E Control circuit abnormal
The SON signal is malfunction.
Check the SON signal whether is
disturbed.
Prevent the noise interference.
Current feedback circuit is
abnormal.
Power reset the servo drive, if it is a recurrence; please contact your
agent for service.
AL2F Regenerative energy abnormal
The regenerative load ratio is more
than 100%.
1. Check whether the deceleration
time setting is too short.
2. To prevent the occasion where
forward rotation and reverse
rotation are performed
frequently.
1. Set the proper deceleration time
to reduce voltage regenerated.
2. Consult your agent to check
whether the drive capacity is
sufficient or not.
AL30 Pulse output frequency excess
The encoder is breakdown.
Check the alarm histories whether
these AL0B, AL0C, AL22, AL26,
AL27 had occurred.
Follow the remedy AL0B, AL0C,
AL22, AL26, and AL27.
Pulse output frequency exceeds the
hardware ability.
Confirm whether the conditions
occurred:
1. Motor speed is excess than
PA41.
2. (Motor speed/60)*PA14>20x10
6
Set the PA41 and PA14 properly.
AL31 Over current 2
The current feedback circuit of
servo drive is abnormal.
Power reset the servo drive, if it is a recurrence; please contact your
agent for service.
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