Elevator Forum

A17.1 has a table that dictates the stopping distance for type B safeties. Table 2.17.3 says for 350 fpm cars the Min. distance is 10 inches and the m...

Kone used to use a company called Innovation for their fixtures. These look very similar. Do not know if they are still in business.

Kone used to use a company called Innovation for their fixtures. These look very similar. Do not know if they are still in business.

Have you checked the brake/brakes, it could be dragging. Do the handrails move at the same speed? The fault occurs when the unit is not up to speed. D...

A 26 error is the car was running and the brake either dropped or the brake switch opened. I would check them both carefully. If the brake lining is d...

DENada, glad to hear the results. I should have added to check the voltage of the inputs before jumpering them. Montgomery-Kone came out with some con...

ESS and AESS should be hi in normal operation. ESB input can be jumped hi to bypass the ess and aess inputs. you probably have one or more than one ba...

Things to check. UDS input is the hall call start signal from the common controller, it is hi when no demand exists, and low when a car is assigned a ...

The easy things to check, if you have some spares are, to replace the NTS relay on the interface bd. Replace the Relay Pilot bd. Replace the MSU bd. A...

I have had similar issues like this caused by the 24vdc wire running from the upper to the lower box rubbing on the step chain and going to ground. Ju...

It is a Dog shaft switch. Under the car, on the pull-out safeties shaft. A switch that has to be manually reset.

What is ALU? I cannot remember seeing that particular designation.

I think at this point, I would start looking at the door micro switches. A flaky close limit switch or a loose connection to a micro could be an issue...

There is a youtube video from hollister whitney. it is entitled machine maintenance procedures for hollister whitney elevator traction machines. It sh...

Have you sized the valve? If not it can move up on the soft stop timer.