YASKAWA SGD7S series Product Manual page 147

Alarm Number:
Possible Cause
Alarm Name
The polarity sensor is
protruding from the
Magnetic Way of the
motor.
The setting of Pn282
A.C21:
(Linear Encoder Scale
Polarity Sensor
Pitch) is not correct.
Error
The polarity sensor is
not wired correctly.
The polarity sensor
failed.
The SERVOPACK
A.C22:
phase information is
Phase Informa-
different from the lin-
tion Disagree-
ear encoder phase
ment
information.
4.2 SERVOPACKs with MECHATROLINK-III Communications References
Confirmation
Check the polarity sen-
sor.
Check the setting of
Pn282 (Linear Encoder
Scale Pitch).
Check the wiring of the
polarity sensor.
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–
4.2.3 Troubleshooting Alarms
Continued from previous page.
Correction
Correctly reinstall the
Moving Coil or Magnetic
Way of the motor.
Check the specifications
of the linear encoder and
set a correct value.
Correct the wiring of the
polarity sensor.
Replace the polarity sen-
sor.
Perform polarity detec-
tion.
Continued on next page.
Reference
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*1
–
–
*1
4
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