Old timer told me to never trust a KONE leveling switch without testing it first

Had a guy named Jerry, been in the trade since the 80s, tell me that at a job in a 12 story office building downtown. I was swapping out a door lock on the 7th floor and figured the leveling switch was fine since it looked clean. Well I didn't test it, closed everything up, and the car came back 3 inches high on the next run. Cost me 2 hours to recheck everything. He was dead right. Anyone else get burned by skipping a simple test?

2 comments

2 Comments

pat_schmidt6023d ago

I soldered in a KONE leveling switch on a 15th floor job back in 2009 and never tested it. It worked perfect for three years until the building got new controllers. Sometimes those switches are just fine and all the testing in the world won't save you from a bad controller card down the line. You can drive yourself crazy checking every little part when most of the time they work as designed. Maybe Jerry was just having a bad week when he told you that.

victor_adams23d ago

1982 I had a Bostwick switch act flaky on a freight car and @pat_schmidt60 is right sometimes they just work until the controller ghosts you anyway.