Elevator Forum

You were 100% correct. Went in and checked CST, sure enough, it was pulled in and held in. I killed the power and it stayed in.I took the it apart, cl...

Thanks uppo72.I'm not at the machine but I'm looking at the prints and both hst and cst are on the right side of the (reset)PM. Between them and the P...

Checked paddles. No luck getting GL to drop and SE to pull in. Will put a toner on coil wire for SE and see if I can trace it to a short or break.Than...

The full title on the prints is as follows;62 & 70 UCL CONTROLLERSIMPLEX-UMV-COLLECTIVE CONTROL- 3 PHASE-3 WIREW/TYPE 6970A DOOR OPERATOR (REACTOR...

Yes I have the prints. Will check the sequence.thank you.Jim Leon

Thank you for the tip. I will test that at my next opportunity in the motor room. I will post the results for hopefully further consultation.Jim Leon