Elevator Forum

When you swapped the drive, did you also swap the resistors? When the load is negative, the load driving the machine, the braking resistors bleed off ...

EEPROM on the CPU was bad.

Yes. I'll know more tomorrow.

I'm not sure what faults are showing now. I'm going to the job tomorrow and will report. However, when I have the car with no SAF3 and I try to run, o...

When I said every time the door wouldn't close, I meant every time that wasn't caused by a discernible problem.

CD is obviously not pulling in, what I asked was---Does CD relay pulse or try to pull in and then drop out? I don't think it ever gets in because if i...

Job has NTS and ETS toothed cam running thru sensors. DSP voltage 5.2VDC All three Pico fuses good. I have tried eliminating EN-81 with no good result...

Also, What do you do to get the car running, or does it just go back into service by itself?

If you have an option card, you have fire service available even if you dont have terminals for it. Do you have an option board? Is the DC (door close...

Speaking of the Sheave Brake Coil, If anyone should encounter a zero ohm short circuit to ground and still having continuity through the coil (approx....

Fltp showed all 0's. DE can't go high until saf3 goes high. I can't run setup until I resolve SAF3 problem. I'm thinking that the car CPU may be compr...

Why does it stop? What do you do to get it running? Doors open or closed? Will it take calls? What lights are lit on the boards?

What is OSDM? I don't have it in my book as any adjustment. This TAC50 is about 8 or 10 years old. Anybody got any ideas on the SAF3 problem? TES show...

got a print number???