Elevator Forum

Hello The unit we are working on was installed in 1972 and had the exact issue of running correctly on inspection and in the up direction on auto. How...

Hey guys I have a unit doing this exact thing, what was the issue in the end?

I believe you have a door close switch problem if IN2 and below are not turned on.

Post your email address.

Email address?

The last one we installed on an ESCO required the installation of pilot relays in the control since commons were not shared.

LSP relay needs to be dropped, nc contact feeds 2lr sensor common. Look at the 2V and CS circuit.

See attached Attachments Screenshot 2024-09-08 at 7.03.01 PM.png (798.14 KB, 68 downloads)

See attached photo. Attachments Screenshot 2024-09-08 at 5.52.13 PM.png (730.08 KB, 38 downloads)

You may want to dig into the 70C and 80SC circuit , they are part of a non interference timing , possibly compare to the other car. Attachments IMG...

I would look into the L and DOT circuits. Attachments IMG_7536.jpeg (111.65 KB, 26 downloads) IMG_7538.jpeg (215.3 KB, 18 downloads)

Do you have LA and DOT relays on the controller?

Looks like an old Century controller