Okuma Alarm-D 4873 Door open/close limit switch NG
An abnormality occurred in any of the limit switches used to confirm open/close state of the front door.
1->The door open confirmation/door close confirmation signals turned ON at the same time.
Probable Faulty Locations
1)For the door of mechanical locking type, a door open/close confirmation limit switch is faulty.
Measures to Take
1)Change the faulty limit switch for mechanical locking door open/close confirmation.