Elevator Forum

Ahhh nice find. Thanks for the update!

Re reading your original post, you say it will “run properly with doors closed”. So I think that might eliminates the IRR thing. JJR eluded to door si...

Hopefully he’s got some documentation to understand the PCD as it’s the best tool to navigate the old U.S./Thyssen stuff.

Yeah…the Northern tool. On the left side of the upper control board you can see inputs like CHC, is IRR one of those? I can’t recall. You should be ab...

Several things come to mind;1) Car 2 is not on “test mode”? Small toggle switch on I think the first card on the rack. Compare position to Car 1. 2) P...

Might you have a timer problem? Start timer, generator time out etc? You’ve replace “all the relays”. In all controller cabinets? I’m sure there are c...

Be sure relay IRR picks and drops after each run. Also be sure to check that the contacts themselves are good.

Randomly open doors at any floor while parked. Check these mechanical possibilities as they’re easy;Running the operator with the O/C switch, will the...

So photo cell readers- my bad, I see you stated that in your original post. Is it possible to increase the normal slowdown count to see ETS point late...

If this unit uses the tape and magnets, check to see if the magnets are secured and properly placed. They’ve been known to drift downwards and a tad s...

Well imagine that! An original poster who followed through on briefing the forum on his fix! Wish all were like that!

Hello Clara and welcome to the community.Your question in my opinion is just outside of the boundaries encompassing this forum. The exchange of knowle...

Well I guess we’ll never know the outcome.

Try this for your key search. Type in 2642 in the search bar. They show old switches and the key. Some have said the designation SA ##### was the fire...

To me, it appears to be of GAL design. What does the interlock, hanger tracks or other equipment look like?