Alarm Display: A.b31 A.b32 A.b33
Alarm Name: Current Detection Error 1/2/3
Situation at Alarm Occurrence: Occurred when the control power supply was turned ON or during operation.
Cause: The current detection circuit for the Phase U is faulty. The current detection circuit for the Phase V is faulty.
Corrective Actions: Replace the SERVOPACK.
Cause: The detection circuit for the power supply is faulty.
Corrective Actions: Replace the SERVOPACK.
Cause: The servomotor cable is disconnected.
Corrective Actions: Check the motor wiring.