YASKAWA Sigma-7-Series Product Manual page 105

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.
Confirmation
Implement countermea-
– sures against noise for the
encoder wiring.
Reduce machine vibra-
Check the operating tion.
conditions. Correctly install the Ser-
vomotor.
Turn the power supply to
the SERVOPACK OFF and
ON again. If an alarm still
–
occurs, the Servomotor
may be faulty. Replace the
Servomotor.
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
may be faulty. Replace the
Servomotor.
Turn the power supply to
the SERVOPACK OFF and
ON again. If an alarm still
–
occurs, the SERVOPACK
may be faulty. Replace the
SERVOPACK.
5.3 Troubleshooting Alarms
Continued from previous page.
Correction Reference
*1
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–
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Continued on next page.
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