Elevator Forum

When doing an Acceptance Test the E Gen must be able to run the car from the top to the bottom with a 125% load without tripping the the governor elec...

almost all the company's have an alternate profile to allow Emergency Generators to run more cars. It reduces the Current Load on the Genny.

As a QEI Inspector, I have no problem with a car running at 50% of contract speed. There is no Code requirement on this.

Have you tried parking the car at the top floor with a full load for 12 0r 24 hours, measuring the oil level in the tank, noting the position of the c...

Some other random thoughts. Check the contacts on the M Contactor and Motor Brushes on the Armature. The way you check the 6 pulse firing board is wit...

I wish you had said that earlier, I wouldn't have written such a long explanation that you didn't need. A good place to look at this point would be th...

So if it were me, the first thing I would check is Motor Field Current. Pull one of the Motor Armature Leads off of the Contactor, pull one lead off o...

AC or DC, Digital or analog,if it is DC is it series A or B ? I think from the error's you have a Digital AC Drive. If that is so a 60 is an AC Contac...

A couple of things that can also cause vibration are Motor Field V/A being incorrect, and look at your Contract Speed. Make sure your not trying to go...

elmcannic is correct. If it is high in the up and low in the down tighten the selector cable, conversely if it low in the up and high in the down loos...

It could be your Brake not dropping out properly. Try adding a little Spring tension to the Brake. If that fixes the problem you may need to clean the...

Machine Rooms can be located away from the Hoistway, but there are some provisions that need to be met. Here are a few of them. Grooved Fittings must ...

From the pictures, I do not see a velocity encoder, or a position encoder. I assume that this is single speed or 2 speed AC setup. I think you will fi...

26 is a brake pick error. The Computer did not see the Brake Switch. If the Car runs for a while then faults, that is usually caused by the Brake lini...

Fullers Earth and Comet will gum up. I would use a mild cleaner/degreaser and clean up as much of the excess lube as possible. The combination of a li...