Okuma Alarm-A 1841 Swing interlock
1->A swing command (M306/M307) was issued with the operation panel retract position signal OFF.
2->The operation panel retract position signal turned OFF during the execution of a swing command.
3->A M308/M309 was issued with workpiece pusher A not at the retracted position or workpiece pusher A left the retracted position when the hand was swinging.
5->A swing command (M306/M307) was issued in the NC lathe.