Elevator Forum

Check the power supplies on the Vector Control Board (Quantum Drive). I think there is: +5, +15, and -15 VDC. See if there is any AC voltage on those ...

Hey Broke, I've never seen a Westinghouse using a PLC either. This is a 2 Stop simplex hydro that uses this PLC to run the whole thing. The Westinghou...

Good Job Derick! It was the DA adjustment that was causing the issue. I guess the oil would cool just enough during the slow time to restrict the flow...

Thanks for all the tips! We've done a lot of these things. We'll have to wait to see what happens.

The mechanic on the job said the tape guides were good and lined up the magnets with the guide. Also, he said the magnets lined up to their original m...

World Electronics should have them.

This thing looks like someone's garage project. Are those just regular 4 Pole (KHAU PB) style relays or are they something special? What State is this...

Originally Posted By: Q10559 If your MUTS relay in the control is not picking when you start the pump motor check terminal 6 on the soft start for 120...

I agree, I like this design. It would make troubleshooting easier. I wanted to ask the mechanic some questions about the system but he was frustrated ...

The controller thinks the car doors are open when the hall doors are locked. Does this always happen at the same floor or different floors? Have you a...

I think you can still buy some of these old Square button parts from SEES. I'm pretty sure the DUO Style key switches are obsolete though. This panel ...

Looks like Armor to me.