Fault:
Alarm 25201: Axis B1 drive fault. Machine power can’t be on.
Remedy:
Restarted the control and observed alarms under Diagnosis menu:
3000 13:47:15 Emergency stop
25201 13:47:19 Axis B1 drive fault
300504 13:47:19 Axis B1 drive 4 fault of motor transducer
510300 13:47:26 *** Emergency-stop***
……
700112 13:47:27 Pallet changer not in basic position
25201 13:47:19 Axis B1 drive fault
300504 13:47:19 Axis B1 drive 4 fault of motor transducer
510300 13:47:26 *** Emergency-stop***
……
700112 13:47:27 Pallet changer not in basic position
So the exact fault should be the motor encoder of the rotary table.
After further confirmation replaced the encoder. The machine then returned to normal.
After further confirmation replaced the encoder. The machine then returned to normal.