Elevator Forum

About 26 years ago, I worked briefly on Miprom 21s and Allen Bradley 6010 drives. I can't claim to know much about them, but I did find an SCR that wo...

Happy New Year!Couldn't you stick another DC drive in there?

Did you call Abe Salehpour at EECO?

Did you check the card rack motherboard bus voltage?

Oh, escalator, ok. Maybe they should have named it Mis-Step?Kone's chinese escalators have step chains that are the thinest I've ever seen. They reall...

I left Otis in 1992, never heard of NextStep. Is that a controller?

It's the biggest pile of crap since the Otis MRVF.A candidate for the Hall of Shame. A black eye on our industry.An engineer from MCE told me a local ...

I'd yank the drive, check for shorted SCRs, miscelaneous burnt stuff and broken crap. Disconnect the motor from the drive, check all three legs to eac...

In California, you have to be certified by the State to work on lifts. It would not be a good idea to teach you even one thing, unless you went throug...

Look at the serial link with an oscilloscope. Might find something weird. Last edited by Vic; 12/15/11 01:09 AM.

Amen, brother!Kudos to you for inventing the time-out jumper. Did you sell the idea, or are you marketing them yourself? Might wanna write to Debra Tu...

Does the ghost call issue happen at any regular times, or known hour of the day?Is there any readout, log, whtvr, that shows where and when calls were...

That's exactly the right attitude, every CCCM should have.

Halfpick,Do you mean the elevator was on automatic, or indo, then this lady gets in, then one of our brothers moved the car?