Elevator Forum

Give it a false full load. Think the relay is "BY" Loadweigher By-Pass

Pm me an email will send you a write up on the BP-3, See if it is what you have.

This unit probably has a BP-3 sizing & bypass valve. Is the bypass ok? Is the BP-2 coil getting energized or is the coil open?

When you recabled did you possibly trip a switch in the safety circuit? Check crosshead SOS switch, Governor Switch, Pit switch, and Limit switches, S...

If it's exposed to weather use a synthetic oil..

Make sure the door close button back contacts are not open. They are normally closed and the car panels can change size with the weather humidity enou...

A little tip about nulling tachs. A fast meter like a Fluke 87 or above is needed. Use volts, not millivolts, and move the range over 2 decimal places...

Never saw that error, drives were never a problem. You need to null each tach individually to close as possible to zero volts. Car inspection speed is...

Do you do high speed nulling on the tachs? Anytime you touch a tach pot on the A3 Board you must run a new floor table. Tach belts have to be tight so...

Are the units SCD drives? If so what speed are the cars? Geared, Gearless? 4MS 500-800 fpm, would be 250 PPM. if it is 2MS the value would be 500 PPM.

I am pretty sure Chicago has their own code. I would contact an Inspector to see what Chicago code is. As for the other items, what kind of Contract y...

Try putting some STP on packing and piston if it's sticking. Used to work great on Otis selectors stop lugs.

Post the wiring diagram number on the data tag.

PM me an email.

Fault Description:Encoder Memory Address Fault - After reset, the encoder interface failed to accept the configuration value written at initialization...