3.4 Command Option Attachable-type FT82 SERVOPACKs with INDEXER Modules
3.4.3 Troubleshooting Alarms
3
Maintenance
3-165
A.8A2:
External Incre-
mental Encoder
Sensor Error
A failure occurred in
the external encoder.
–
Replace the external
encoder.
–
A.8A3:
External Abso-
lute Encoder
Position Error
A failure occurred in
the external absolute
encoder.
–
The external absolute
encoder may be faulty.
Refer to the encoder
manufacturer’s instruc-
tion manual for correc-
tions.
–
A.8A5:
External Encoder
Overspeed
An overspeed error
was detected in the
external encoder.
Check the maximum
speed of the external
encoder.
Keep the external
encoder below its maxi-
mum speed.
–
A.8A6:
External Encoder
Overheated
An overheating error
was detected in the
external encoder.
–
Replace the external
encoder.
–
A.AEF:
INDEXER
Module Alarm
Some kind of alarm
has occurred at the
INDEXER Module.
Use the S to
check the serial com-
mand negative
response of the
INDEXER Module.
Observe the processing
method for serial com-
mand negative responses
from the INDEXER Mod-
ule.
*1
A.b33:
Current Detec-
tion Error 3
A failure occurred in
the current detection
circuit.
–
Turn the power supply to
the SERVOPACK OFF and
ON again. If an alarm still
occurs, the SERVOPACK
may be faulty. Replace the
SERVOPACK.
–
A.bF0:
System Alarm 0
A failure occurred in
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.
–
A.bF1:
System Alarm 1
A failure occurred in
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.
–
A.bF2:
System Alarm 2
A failure occurred in
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.
–
A.bF3:
System Alarm 3
A failure occurred in
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.
–
A.bF4:
System Alarm 4
A failure occurred in
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 on next page.
Continued from previous page.
Alarm Number:
Alarm Name
Possible Cause
Confirmation
Correction
Reference