Elevator Forum

I have the Dover Oildraulic Troubleshooting Manual which has a lot of diagrams in it. PM me an email address will send it to you.

No idea other then this.Drive Fault: 115Fault Description:Multiplexer Configuration Error

I have them, send me a pm with email.

Would help if you said what Montgomery product it is for?

Not sure what a Westinghouse B4 safety is, but I worked for Otis when the Sears Tower in Chicago went up and they bought their safeties from Otis. The...

Be sure to get the Low Movement Microswitch

And they have to be tighter then Banjo strings.

Bad CPU board or bad ram chip. Any ripple on the power supply in COP?

I worked for Otis for 15 years and adjusted many 700 FPM cars with NO tie downs.. 800 FPM and above only.

The purpose of tie down compensation is to make safety slide to within code limits. Not sure it was a code requirement or not. Otis used tie downs on ...

I remember something that there was a problem with grounding of door closers causing some strange problems. Have to look back to see if I can find the...

I believe DK13 is the latest. Worth a try.

Fast tool for DMC is with IMS..

It sounds like a 2 car group with 2 terminal dispatch that someone has locked on up peak to keep car at lobby and prevent cruising the shaft all day l...

If it is a Duplex it will have a TT relay (Transfer Time). If no TT it is a 2 car Group. If it is a Duplex look at HJG relay (Higher Demand for Hall) ...