Alarm Display: A.b31 A.b32 A.b33. Alarm Name: Current Detection Error 1/2/3 on Sony SI-F209 Electronic Part Mounter

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.