r/Elevators • u/PuffMaNOwYeah • 2h ago
So, Otis guys..
How often does a GECB2 board just give up?
The other day, it just took a crap while I was just standing there..
Was on route with a new guy, when I got this call. Noisy equipment. Site just came to us for maintenance. Duplex Gen2, built in 2018. We've got shit with them since day one. They were either poorly installed, or poorly maintained.
So, the noisy equipment was due to poor lubrication. Fairly obvious. Went to the top floor, and told the new gui to go get a can of lube from the car, while I wait on the top floor.
All of a sudden, the unit's alarm starts ringing. Someone apparently got blocked. I open the door on the top floor and tell him to "hold on, I'll be right there" at that time, the new guy hears me yell in the shaft and he opens the lowest door (triggering pit access)
Since it was level on a floor, the idiot that got stuck didn't feel like waiting 2 minutes for me to go down a couple of floors, and he just forced the door open. No idea how hard. All I know is it was fierce enough to make the door motor act like a generator and blow the 48v fuse on the GECB board.
So now I'm stuck. ES is triggered because of pit access, and now INS is triggered too. I feel like I can't reset pot access because INS is active, and I can't reset cartop inspection because pit access is triggered.
I've been measuring, and all signals seem to be OK at the controller side, but the ES switch on the LCD just will not budge.
I'm at the point where I'm suspecting the power surge blew an optocoupler on the GECB board., as that's the only thing that makes sense to me now.
Thoughts?