Okuma Alarm-A 1787 Door open/close check NG
After a door opening and shutting instruction, even though it is done the time progress which has set on MC SYSTEM
PARAMETER NO.2 TURRET/DOOR “Door open/close monitor timer”, an instruction output and state input do not solidarity and answer of door opening and shutting has not returned.
Code
1->No signal is output to confirm that the front door is open.
2->No signal is output to confirm that the front door is closed.
3->No signal is output to confirm that the ceiling door is open.
4->No signal is output to confirm that the ceiling door is closed.
5->No signal is output to confirm that the APC door is open.
6->No signal is output to confirm that the APC door is close.
Probable Faulty Locations
1)The front or ceiling door does not correctly work.
2)A faulty limit switch at the front or ceiling door.
3)An object or human body is pinched by the front or ceiling door.
Measures to Take
1)Adjust the door so that it will smoothly move.
2)Adjust the limit switch so that it will correctly function or change it with a new one.
3) Remove the object or human body pinched by the door.
Related functions
Automatic doors
Ceiling door