YASKAWA SGD7S-xxxDA0 series Product Manual page 540

16.2 Alarm Displays
16.2.2 Troubleshooting Alarms
Alarm Code:
Alarm Name
C92h:
Encoder Commu-
nications Timer
Error
CA0h:
Encoder Parame-
ter Error
16-34
Possible Cause
Noise entered on the
signal line from the –
encoder.
Excessive vibration or
Check the operating
shock was applied to
conditions.
the encoder.
A failure occurred in
–
the encoder.
A failure occurred in
–
the SERVOPACK.
A failure occurred in
–
the encoder.
A failure occurred in
–
the SERVOPACK.
Confirmation
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 from previous page.
Correction Reference
page 4-5
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Continued on next page.