Yaskawa Sigma-5 User Manual: Design and Maintenance - Linear Motors - Manual (Page 265)

8 Troubleshooting
8.1.2 Troubleshooting of Alarms
8-14
A.891:
Encoder Module Error
A linear scale fault occurred. −
Turn the power supply OFF and
then ON again. If the alarm still
occurs, the linear servomotor may
be faulty. Replace the linear servo-
motor.
A.b31:
Current Detection
Error 1
(Phase-U)
The current detection circuit for
phase U is faulty.
−
Turn the power supply OFF and
then ON again. If the alarm still
occurs, the SERVOPACK may be
faulty. Replace the SERVOPACK.
A.b32:
Current Detection
Error 2
(Phase-V)
The current detection circuit for
phase V is faulty.
−
Turn the power supply OFF and
then ON again. If the alarm still
occurs, the SERVOPACK may be
faulty. Replace the SERVOPACK.
A.b33:
Current Detection
Error 3
(Current detector)
The detection circuit for the cur-
rent is faulty.
−
Turn the power supply OFF and
then ON again. If the alarm still
occurs, the SERVOPACK may be
faulty. Replace the SERVOPACK.
The linear servomotor main cir-
cuit cable is disconnected. Check for disconnection of the lin-
ear servomotor main circuit cable. Correct the linear servomotor wir-
ing.
A.bF0:
System Alarm 0
A SERVOPACK fault occurred. −
Turn the power supply OFF and
then ON again. If the alarm still
occurs, the SERVOPACK may be
faulty. Replace the SERVOPACK.
A.bF1:
System Alarm 1
A SERVOPACK fault occurred. −
Turn the power supply OFF and
then ON again. If the alarm still
occurs, the SERVOPACK may be
faulty. Replace the SERVOPACK.
A.bF2:
System Alarm 2
A SERVOPACK fault occurred. −
Turn the power supply OFF and
then ON again. If the alarm still
occurs, the SERVOPACK may be
faulty. Replace the SERVOPACK.
A.bF3 :
System Alarm 3
A SERVOPACK fault occurred. −
Turn the power supply OFF and
then ON again. If the alarm still
occurs, the SERVOPACK may be
faulty. Replace the SERVOPACK.
A.bF4:
System Alarm 4
A SERVOPACK fault occurred. −
Turn the power supply OFF and
then ON again. If the alarm still
occurs, the SERVOPACK may be
faulty. Replace the SERVOPACK.
A.C10:
Servo Overrun
Detected
(Detected when the ser-
vomotor power is ON.)
The order of phases U, V, and W
in the linear servomotor wiring is
incorrect.
Check the linear servomotor wiring.
Confirm that the linear servomotor
is correctly wired.
The setting of the motor phase
selection (Pn080.1) is incorrect.
Check the setting of Pn080.1. Correct the setting of Pn080.1.
A linear scale fault occurred. −
If the alarm still occurs after turning
the power OFF and then ON again,
even though the linear servomotor
is correctly wired, the linear servo-
motor may be faulty. Replace the
linear servomotor.
A SERVOPACK fault occurred. −
Turn the power supply OFF and
then ON again. If the alarm still
occurs, the SERVOPACK may be
faulty. Replace the SERVOPACK.
Alarm:
Alarm Name
Cause Investigative Actions Corrective Actions