Elevator Forum

try World Electronics

Check the motion averages screen in motion adjust. That will tell you what the speed board is picking RL2 at. Then adjust the pot on the speed board t...

I am glad I am Retired. Now I just watch you guys and point at things.

One more thought before putting this rascal to bed. The A17.1 Code says inspection speed cannot exceed 150fpm. Why would any elevator company have a p...

A Parameter for no good reason. I will keep it in mind. I guess your never too old to learn something new and useless.

up contactor welded? pull coil wire on up wye contactor.then what happens. Trouble shooting 101.

I never worked on a 311, but access speed and inspection speed are one and the same on every unit I have ever worked on. Why would they have a paramet...

A17.1-2013-8.7.2.22.2, states that, Rod type Counterweights may be retained providing they comply with, 2.21.2.1 and 2.21.2.3 and have cotter keys and...

Usually this happens at the top terminal landing.When you are NTSing you should stop at floor level or slightly above and level back in. However if th...

I went back over some old notes. Here are a few things I had on CP-06. check the Field Supply Fuses in the top of the Drive. An open will sometimes th...

I am assuming you checked the 3 fuses in the Drive. What is the voltage Leg to leg. Have you checked the Voltages in the drive on the Boards? Is this ...

have you checked field amperage in the parameters? are the voltage jumpers in the drive in the right place?

One other thought. How does the Compensating Ropes and Pit Sheaves look.

If you are picking the Brake to run the CPU thinks everything is OK, therefore whatever tells the Generator Field to Ramp up is not working, or some s...

Turn the Parameter- Min Overspeed Band- to Maximum. Also make sure the timers on the relays Sb and P2 are correct. one of them has to be longer than t...