Elevator Forum

Did you ohm out the communications plug? On the board, it should be open from pins 1-3 and 460-480ohms pins 2-4. Does the LED on the CLC board come on...

I think that's how it's supposed to work. There's probably not enough traffic demand to wake the cars up. I would test this by putting the cars that a...

MRL's are booming in Los Angeles. What is illegal is Hydro machines in pits which I'm told they do elsewhere in country (sounds crazy to me).Hydro ins...

I'm a bit confused on this topic.Why wouldn't you just replace the in ground casing and plunger? The purpose of the dual post jacks is to eliminate ha...

Yes, a capacitor across a contact will prevent an arc from forming when the contact begins to open, especially when there's an inductive load like a m...

Not an Otis guy, but I'm thinking it's a variable capacitor or [i]maybe[i] a MOV. It's the only option that makes sense and not to far off from the mo...

ALU = At floor leveling unit.Not sure if that's relevant though, I think it's only used for group controllers.When you replaced the backboards did you...

For hydros I'm actually a huge proponent of the Smartise V2 ( I don't know anything about the C4). I know shoot me, but I think it is the perfect hydr...

I would take everything those consultants say with a grain of salt.I have reports where they've measured everything in the green (up speed, door open,...

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Originally Posted by JJR Does the existing system have a door restrictor as part of the Montgomery clutch? If so, you could probably get away with a l...