AL-4309 (DEFECTIVE ENCODER INTERNAL DATA)
An alarm
occurs.
Contact your Yaskawa
representative.
Remove connectors CNPG123 and CNPG456
on the corresponding WRCA01 circuit board
and re-insert them. (See Fig. 33.)
Alarm?
Yes No
Turn the control power supply OFF
and then ON.
Alarm?
Yes No
Replace the motor (encoder).
Alarm?
Yes No
SERVOPACK
CNPG456
CNPG123
Fig. 33
Continue normal operation.
Continue normal operation.
A faulty connection caused the alarm.
Continue normal operation.
The defective encoder caused the alarm.
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