anyone have a wiring diagram for the otis ERU battery lowering unit?
i have a few units that are not working, and the batteries are good. i can see most of the wiring points that go to the eru on the print, however i can't seem to find the wiring for how the ERU knows that the main line power is missing. I've been over that print for an hour now, and still can't see it. seems like it would be on the main print, but i can't find.