YASKAWA SGD7S series Product Manual page 151

Alarm Number:
Possible Cause
Alarm Name
Noise entered on the
signal line from the
encoder.
Excessive vibration or
shock was applied to
the encoder.
A.C92:
Encoder Commu-
A failure occurred in
nications Timer
the encoder.
Error
A failure occurred in
the SERVOPACK.
A failure occurred in
the encoder.
A.CA0:
Encoder Parame-
ter Error
A failure occurred in
the SERVOPACK.
4.2 SERVOPACKs with MECHATROLINK-III Communications References
Confirmation
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Check the operating
conditions.
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4.2.3 Troubleshooting Alarms
Continued from previous page.
Correction
Implement countermea-
sures against noise for the
encoder wiring.
Reduce machine vibra-
tion.
Correctly install the Ser-
vomotor or linear encoder.
Turn the power supply to
the SERVOPACK OFF and
ON again. If an alarm still
occurs, the Servomotor or
linear encoder may be
faulty. Replace the Servo-
motor or linear encoder.
Turn the power supply to
the SERVOPACK OFF and
ON again. If an alarm still
occurs, the SERVOPACK
may be faulty. Replace the
SERVOPACK.
Turn the power supply to
the SERVOPACK OFF and
ON again. If an alarm still
occurs, the Servomotor or
linear encoder may be
faulty. Replace the Servo-
motor or linear encoder.
Turn the power supply to
the SERVOPACK OFF and
ON again. If an alarm still
occurs, the SERVOPACK
may be faulty. Replace the
SERVOPACK.
Continued on next page.
Reference
*1
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