Elevator Forum

The code phrasing is a bit ambiguous. The two mentioned inspectors (neither worked in the field and one was an engineer for Otis) think Att Svc is the...

Not ERM. I have installed/worked on everything they have made. The OW stuff too.

I am guessing it is Jafar? or Paul? Anyway, you are correct. I ended up going right to Singleton and he shut them down. I will say that San Diego mand...

I have installed several on VVVF but never a DC drive. They run the car at slow speed to the next landing (mimicking EQ)Reynolds and Reynolds has one ...

With these you can do the problematic floors as needed.

Install the modules and new buttons. Pretty straight forward. Buy a couple of extra though, i did have a couple fail on me.

Thanks Scott, same to you. Looking forward to the next time our paths cross. Take care and Merry Christmas

I had a 411 do the same for no reason. turned out to be a bad line terminator in the car that would cause the the cpu to reboot sporatically. the fail...

this usually becomes an issue on a dover valve too which only energizes a specific valve solenoid ("u" or "ul")unlike a maxton that drops "U" to get i...

you need to create enough system pressure to lift the load. on a average 2500 lb car on a 4 3/8" piston, you need approx 166 psi just to support the l...

GreenPants, on the 401, what if the power phases changed/reversed? is the controller looking for feedback in one direction but was going in the other?...

i would make sure your encoder is counting in both directions. it updates at a floor vane. but i would check that it is hitting the vanes 100%. if it ...

What does the SVT say? Check that it is counting in both directions. Verify the access limit value is valid (ie cab ht). The normal limit is actually ...

Is it the ones in Redondo in that condo on the sand I adjusted/inspected a few years ago for Amtech? They are 311M's? Not GEM's (new construction)? Or...