Elevator Forum

Originally Posted By: john jay when you say driving through the Brake, you are indicating you have field current and armature voltage. do you in fact ...

Originally Posted By: uppo72 What is a sheave jammer? Is the battery connected to the board? Something is definitely drawing down the volts. Ascendi...

Wood on the comm was suggested to me (maple was the wood species recommended), anybody heard of using a capful of peroxide? I have spoken with a few m...

Thanks for all the responses, if I end up with another shutdown I have lots of things to look at.

The issue ended up being commutation. With the commutator being freshly cut, I needed to build a new film on the surface of the comm. Even after sandi...

I am not sure of the type of leveling unit. I should have mentioned that the lobby is the second landing. There have not been any call backs or shut d...

Any chance you could post a copy of the bulletin or maybe a link?

I don't see it on their website, what is the problem?

Originally Posted By: E-man Doors closed? I "think" my problem showed a level sensor fault because as the car was starting to run, the lock bounced op...

It is always floor level, at the lobby. I cleaned the lock and track, checked pickups for binding and added a wrap to the somewhat weak spirator. I am...

Sounds like an MRS