Elevator Forum

Even with GSEF and GLF disconnected the generator is outputting 27v and almost stalling, brush holders get hot. I cant see how it can generate with no...

Thanks Rolly, I will check that.

So now, as soon as the generator is powered up it almost stalls like its loaded up and a lot of current through the loop circuit even with GSEF discon...

I'll get back to you guys. Today we changed taps on the series field and the best result was slow up no down, even with 55 amp loop current! Very stra...

Heres the old one which is also 65GA. We've got three in total. Attachments IMG-20200316-WA0001.jpg (103.57 KB, 37 downloads)

I've attached the nameplate Attachments 20200228_213458.jpg (2.74 MB, 48 downloads)

It's a 65 GA and they did have the series field wrong. I corrected that. Now just speed problem Last edited by bowser; 03/13/20 03:21 PM. Reason: A...

The motor rewinder connected the shunt field backwards.Now I have the lift running but it runs faster up than down by about 30%. How do I adjust that....

Thanks John. It's a self exciting field. I've tried flashing with 12v, but not sure how long to flash it and what voltage. On inspection and idling I ...

Thanks for that. We had the generator pulled out and refurbished by a motor rewinder. Now its worse. Rolls up on inspection speed when driven up, stay...

Was the main drive board. FYI

Its what Im thinking... Have you had this before?

We changed the brake module and its not that. The input to the brske module doesnt change.... the control is supposed to be grounded which enables the...