YASKAWA SGD7S-R70A Product Manual page 164

8.1 Alarm Displays
8.1.2 Troubleshooting Alarms
Alarm Number:
Alarm Name
A.8A1:
External Encoder
Module Error
A.8A2:
External Incre-
mental Encoder
Sensor Error
A.8A3:
External Abso-
lute Encoder
Position Error
A.8A5:
External Encoder
Overspeed
A.8A6:
External Encoder
Overheated
A.b33:
Current
Detection
Error 3
A.bF0:
System Alarm 0
A.bF1:
System Alarm 1
A.bF2:
System Alarm 2
A.bF3:
System Alarm 3
A.bF4:
System Alarm 4
8-24
Possible Cause
A failure occurred in
–
the external encoder.
A failure occurred in
the Serial Converter –
Unit.
A failure occurred in
–
the external encoder.
A failure occurred in
the external absolute –
encoder.
An overspeed error Check the maximum
was detected in the speed of the external
external encoder. encoder.
An overheating error
was detected in the –
external encoder.
A failure occurred in
the current detection –
circuit.
A failure occurred in
–
the SERVOPACK.
A failure occurred in
–
the SERVOPACK.
A failure occurred in
–
the SERVOPACK.
A failure occurred in
–
the SERVOPACK.
A failure occurred in
–
the SERVOPACK.
Confirmation
Replace the external
encoder.
Replace the Serial Con-
verter Unit.
Replace the external
encoder.
The external absolute
encoder may be faulty.
Refer to the encoder
manufacturer's instruc-
tion manual for correc-
tions.
Keep the external
encoder below its maxi-
mum speed.
Replace the external
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 SERVOPACK
may be faulty. Replace the
SERVOPACK.
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 SERVOPACK
may be faulty. Replace the
SERVOPACK.
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 SERVOPACK
may be faulty. Replace the
SERVOPACK.
Continued from previous page.
Correction Reference
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–
–
–
–
–
–
–
–
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–
Continued on next page.