3.3 FT82 SERVOPACK with MECHATROLINK-III Communications References
3.3.3 Troubleshooting Alarms
3-118
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.
–
A.bF5:
System Alarm 5
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.bF6:
System Alarm 6
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.bF7:
System Alarm 7
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.bF8:
System Alarm 8
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.C10:
Servomotor Out
of Control
(Detected when
the servo is
turned ON.)
The order of phases
U, V, and W in the
motor wiring is not
correct.
Check the Servomotor
wiring.
Make sure that the Servo-
motor is correctly wired.
–
A failure occurred in
the encoder.
–
If the motor wiring is cor-
rect and an alarm still
occurs after turning the
power supply OFF and
ON again, the Servomotor
may be faulty. Replace the
Servomotor.
–
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.C54:
Polarity Detec-
tion Failure 2
An external force was
applied to the Servo-
motor.
–
Increase the setting of
Pn495 (Polarity Detection
Confirmation Force Refer-
ence). Increase the setting
of Pn498 (Polarity Detec-
tion Allowable Error
Range). Increasing the
allowable error will also
increase the motor tem-
perature.
–
Continued on next page.
Continued from previous page.
Alarm Number:
Alarm Name
Possible Cause
Confirmation
Correction
Reference
