Elevator Forum

like jkh says need more info. are you sure you have the correct job print? this could be confusing you. i see one print that has the relays you say, b...

do you still need? i believe i have what you need

thanks len i will definitely take your guys advice. strange thing is it did it every time before we sent drive in. they mad 4600 dollars in repairs. a...

strange thing, the car is still running. if it happens again i will take your advice magic, i was doing some research and saw a note that someone wrot...

look at ulr, dlr,tsv and esv settings first see if anything looks out of ordinary . if you have another car you can compare, they won't be exact, but ...

very strange, inverter overcorrect, car would run fine on inspect up and down, pulling about 26 amps on the motor side down direction, car would run u...

how much ac ripple? more then around 20 millivolts ac can cause this. also bad cpu can cause this. is there a group controller? have seen something si...

sadly the owner of the building probably drives a car that is worth at least the price of replacing this elevator. have seen quite a few of these "gar...

forgot about this one, we replaced board, worked fine for about a week. then it went out all together, could not get it to work, so mechanic put the o...

nice job solid

check the 6 relays in the motor field circuit. low motor field voltage will cause car to overspeed

did you replace any of the small relays on the main IO board? had something similar that lasted for 3 months, i also replaced many things, and could n...