Posted By: zach
Old Otis B base. - 09/30/17 04:46 PM
I have very little experience working on the older otis equipment. I recently got a 6 stop duplex on my route. I'm friends with the previous mechanic at the big O. He told me it is B base solid state.
One of the cars was found responding to hall calls but not opening doors. At first I could get in the car and run it from the COP. The door open button would work. I went to machine room and checked door zone contacts on the selector. Found that if I manually push in XDO relay the doors will open. Tried to trace out what picks XDO. Replaced XK board. Cleaned selector contacts and I think I've got all the door contacts cleaned up. I checked the 5VDC and 35VDC power supply's and they match the reading I get off the running car. As I have been doing all this to improve the car it's actual condition gets worse. Now the elevator is at the top floor. Will not respond and I can't get on top to try inspect. I called 3 diffrent regional smart guys, none of them answered or called me back. Any help would be greatly appreciated. These prints might as well be written in Japanese for me.
One of the cars was found responding to hall calls but not opening doors. At first I could get in the car and run it from the COP. The door open button would work. I went to machine room and checked door zone contacts on the selector. Found that if I manually push in XDO relay the doors will open. Tried to trace out what picks XDO. Replaced XK board. Cleaned selector contacts and I think I've got all the door contacts cleaned up. I checked the 5VDC and 35VDC power supply's and they match the reading I get off the running car. As I have been doing all this to improve the car it's actual condition gets worse. Now the elevator is at the top floor. Will not respond and I can't get on top to try inspect. I called 3 diffrent regional smart guys, none of them answered or called me back. Any help would be greatly appreciated. These prints might as well be written in Japanese for me.