Okuma Alarm-D 4853 Robot/loader power sequence error
1->When the Robot/Loader emergency stop switch was pushed, the timer relay of Robot/Loader emergency OFF delay was not turned off.
2->When “Robot/Loader axis control ON” signal was turned off, “Robot/Loader axis servo ready” signal was not turned off.
Probable Faulty Locations
Error of circuit diagram controled by relay
Measures to Take
1->Change the timer relay of Robot/Loader emergency OFF delay.
2->Change the relay of Robot/Loader axis control ON.