Elevator Forum

when the timer expires, it sends a ground signal to the input momentarily, then the timer resets because UA relay drops out and resets the timer. you ...

hey halfpick, seems like you know how to get around an epoch job. the problem was a bad I08 board for the brake switch input. the switch was good and ...

the mga board fuses are good, the car runs on inspection in both the regulated and non regulated modes. I am connected with an HHT, I go to the displa...

the MLT circuit is derived from the dual timer board. there are two potentiometers on the dual timer board, one for the TA relay for transferring to d...

I have been getting the boards from world electronics. they have completely rebuilt the boards with newer IC's, they work great. I believe the cards f...

did you check the 5 and 12 volt power supply to the clc board? It might be one of the other boards, door or selector, if the communication chips were ...

thanks bk2fla, I hope i didn,t come across as trying to be a smart ass, I really did not know how a finger injury could occur with the use of this too...

I believe I had a problem like this once, only it was a two stop, the car would yo-yo like your car then would eventually mlt. I found that the 5 volt...

on the car board pin B is labeled LDZ on a 4 key board on a 3 key board there is no pin labeled B that I can see. it looks as though LDZ was added to ...

unfortunately readdressing the car after power failure has been our only solution, I have replaced the CGP boards in a couple of the cars and still th...

I have had this problem a couple of times, both times a 27 error occurred, one was corrected by a new tach, and the other by a new encoder

I have replaced the tach on a few of the cars that seemed to act up more often. The problem does go away for a longer period of time after the replace...