Elevator Forum

So, to double-check the inputs. ESH is low, ESHP is high for normal service. If either is opposite, it will be a main floor recall. ESS and AESS are h...

Do the doors open and close when it answers the call?

When the elevator doesn't know where it is, it will always search down. So it may be something like an up stop or up terminal slowdown in the wrong st...

When you say it has an old AB Drive, is it the one with a 16-position Rotary switch on the drive board? If so, position 9 monitors the speed feedback ...

Looks like a mechanical over-travel switch. So I would say Stop Motion Switch. Just a guess.

Call Imperial in Akron, Ohio, with the nameplate numbers.

A shot in the dark. Is it possible that the magnetic tape has magnetized the metal to which it is attached? I had that happen on a Kone Hydro. used so...

Have you checked the 120 ohm !/2 watt resistor on the last FCB? it is the end of line terminating resister.

Have you checked the Braking Resistor? That is one of the possible causes, also an LCEDRV internal error, which is hard to test for. and lastly, they ...

Yep, shunt trip, for MR sprinker systems.

So a quick thing to eliminate and isolate the lack of the output board not turning on is to replace the I/O interface board. And as mentioned before t...

The first thing I would do is replace the Output Board. If you do not have one you may try switching one output bd. for another to see if the problem ...

Check the valve fir sizing. If wasn't sized properly it will fault out on low oil when the unit calls for heating cold oil.

Just a FYI, I had a 108 giving me fits, finally found a loose conncetion on the encoder shield ground wire. Last edited by john jay; 10/08/24 12:07...

Thanks for the update