Elevator Forum

Now regardless of communication, the MDO/MDC should still work, no?

Did the original photo eye work before the upgrade?Shorted old photo eye wiring?No new cable with the GateKeeper???Compatible input/output voltages?

So your trouble isn't necessarily a "drive" problem, but quite possibly the CPU-or something else (at least that what I understand so far).Here's a wi...

HmmmGot me thinking...cold oil on a TAC 20? Someone has disabled viscosity?

Can you set the RVU to trigger on Fault 146? Then use the play back feature to help (hopefully) isolate the cause, or at least see what occurred prior...

WD is lit... is "VBUS" LED lit?If you have 115VAC at CON 11 pins 1&2 and the VBUS is not lit- time for a new card.Check to be sure the door motor ...

Regarding the brush issue, removing the brush and visually inpecting them you can easily see the short shunts and the restricted spring, and if they a...

Sounds like an typical LOO reset. Maybe check the screen on the up level adjuster.

How old is the job? A year or so ago TKE had a bunch of HD door motors with bad brushes which would cause a stall and the doors would go offline makin...

AlsoI believe there is an additional cap assy that should accompany that board swap. PN 238CW1. Your board is an replacement that will work.

did the py4 not come with software?are these two boards compatable for the swap?no WD...no workie.

Good find!Glad to hear it's out of your hair

Nice move.

I'm SURE studly will return with his find. It's kind of nice when we get to hear of a problem solved.HEY STUDLY! YOOOHOOO...........

Hi Karen,Quite the project you're embarking on. Certainly information regarding your unit is important. The links posted didn't "link" really at least...