Elevator Forum

You should look at the speed relays and make sure each speed step is coming in correctly. You probably have a bad contact on one of those black Aromat...

This elevator hardly ever runs so it never gets hot. It doesn"t have an oil warmer device on the tank, it doesn't even have a low oil switch. There's ...

If you need the job drawings you should call Unitech with the actual Job #. They can usually provide the correct prints for any job. You should post a...

What is the model number of the controller you are working on? Is it a 211 or 411? What kind of failures are you having?

It has not failed again since I reseated all the connectors. I'll keep you posted with any new faults. Thanks.

Hey Giles0, are you able to use a stand alone door controller like a Motion Smart Trac. I beleive you would have to change the motor though. I have ad...

Did you fix one in an emergency? Glad I could help!

Is this a relay logic controller with a pie plate selector? I don't recognize the URM 21 controller. If you have safety circuit and door locks make su...

Hey Gib, you were right on the feedback sensor on top of the valve. It needed to be cleaned and the null point needed to be calibrated. The oscillatio...

Hey Tomahawk, I work for an independent in the Southern California area and we also issue a full safety bag to all employees. I think all the independ...