Elevator Forum

The backup scan is NOT saved on the job image. It’s saved on the CPUA. This is why you can’t use an XE2 CPUA on a TAC50-04, there is no DSP on the bot...

While I have not ever tried to work on a TAC50-04 with only the OST, I don’t think it’s a good idea. Looking through the manual it does seem to have a...

Set up KARB and TARB for rollback without pre-torque. Type DLW in Remote Fast to see if pre-torque is enabled or disabled. If M91 is set to 1 and it s...

Did you check the ripple on the PS1 power supply? Replace it if there is more than .010 vac. If all your confidence tests are a GO and you’ve already ...

I was working out of town and never got to go back but I was told it was a loose wire on the float switch.

It’s on the Main Sensor Card but I’d bet on a relay contact.

Traction elevators very, very, very rarely “drop.” They stop suddenly when a door lock or safety device opens and the passenger feels like the car “dr...

You’re saying it runs down and stops 3” above the destination floor? Sounds like a level down problem. I’ve seen exactly this on a DMC1A with a bad le...

Good one

You don’t need a Gatekeeper, just the cheaper Cedes or Janus edge. Just go with whichever you prefer. The important thing with a DMC is if you have fi...

Oh I missed that. You got me... What if you sit it on props and leave it without pressure for a while? The seals may need pressure to hold but for tha...

Neo-Natal landing A is S40, landing B is S41, landing C is S50, & landing D is S51. If think If the sensor is in the car you would just add the NA...

It seems to me the question is did the system really loose any oil? Do you think that there was enough oil to reach the top floor when you got there? ...

I don’t remember if NATL by itself worked but NATLA is the input for hold at landing A, same with B & C. NATLH is hold at any landing and NATLI is...

Replace it. I just had a CWIL doing that on a TAC32H.