Elevator Forum

I was thinking maybe someone ran a backup scan while the bad battery was pulling the voltage down to 4v.

Snubbers are suppressors. They’ll be wired from each input to VC on the controller terminal strip. The print tells you where the PMI module is. Inside...

That may work but you really want the generator running on true Neutral. I always set neutral when we get a generator back from the shop. You would be...

Ok, 908 makes more sense, more like I was thinking anyway. Do you have reduced stroke buffers with physical switches in the hoistway in addition to va...

You’ll get the 21 every time you put the car on inspection. The 26 fault says the drive is faulted and you don’t have drive ok. Do the 26 and 1801 fau...

If the LEDs light but you don’t see the input change state on the computer, the input board is bad, right?

This really sounds like a 14 & 15 contactors issue. Check, clean, or replace them, then adjust compounding.

If your 3 phase to the drive is good but the drive thinks it’s under volt, the drive has to go out. Not sure if others dive deeper into those drives b...

So you replaced PMI module 38 on PMI card #1? Did you check the Pico fuse for M38? That print doesn’t match your I/O map. Module 38 is P5-3 common, P5...

I 2nd that on checking the ripple. Especially if you are seeing the DC bounce around. After that, there is a plug in RAM card on one of the boards beh...

Of coarse like with any Miprom 21 going in the overhead with 38 errors you should do an NTS and ETS test to make sure they both work correctly. But if...

There is a software fix for this. Call Cetek and ask for target chasing software fix. This is only on AC drives, usually happens in the middle of the ...

I haven’t got a chance to try yet