Elevator Forum

20 years ago. I've looked into it about a year ago for someone else, It's basic codes, open book I believe, but NC has added a business section. If yo...

invalid FLooR Position

check on power bd SP to SC should be between 4.8 & 5.0 vdc, also check bd connectors have seen them get build up and give faulty connections. If y...

check switches in h'way, the spring steel gets weak and doesn't let actuator return fully.

might have sticky valve, broke spring, or slightly bent stem. think about replacing/rebuilding valve. I'll bet it occasionaly does it at other times a...

I agree with jkh. The item in the pic is the tension weight, if it spins freely and moves up and down in it's guide freely it is probably good. Judgin...

We had the same thing. Last things we did was physicaly check limit switches (both the contacts weren't quite right and the pivot) and also added some...

biggest problems I've had on these is the power supply

You're thinking along the right lines. Your service provider should be able to tell the problems. As long as they are using it within the weight limit...

I have old manual for these, just in paper. Let me know and I'll start scanning

thanks all, my first thiughts were right. door bd bad and needed settings from missing flash drive. power problem from blown transformer

PM sent, thanks Silly

I've had this happen, had to go to another floor and call them. As long as the sit where they were, would not fire back up

also has checked encoder, it's good

Thanks forr trying to help elmcannic. Yes both WD and VBUS are lit,checked fuse on bd, both good. I'm having a guy go check leads and brush condition ...