Elevator Forum

I had the original boards sent out for repair, just got them back but I’m still getting a 020-003 fault when I do hoistway scan

Found the problem. Someone changed out the MC relay and didn’t wire it correctly by putting 120v to the n/o contact which should be 24v coming off of ...

Greatly appreciated. I’ll be going back to the job in a few days. I’llPost an update as soon as I get it running. I’m leaning to a new Siemens soft st...

Thank you guys I will try that when I get back to the job

Ended up being SMIC board on MRC, that’s the first thing I swapped out with no luck but I may have had a bad spare on the job. I just swapped it out w...

Narrowed it down to either TOC board or selector board. I unplug DZ cat 5 from either and problem stops. Going to change out each board and see