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#33313 - 06/30/22 12:31 PM MCE direction loss  
Joined: Jun 2017
Posts: 93
boomer Offline
journeyman
boomer  Offline
journeyman

Joined: Jun 2017
Posts: 93
We have a traction 2001 vintage MCE intermittently shutting down in mid flight with a direction loss fault. The power supply checks good it was replaced about a year ago we have checked our safety string devices for good connections also went through all the hoistway doors and locks. Any one have any ideas on what could cause this?

#33319 - 06/30/22 11:35 PM Re: MCE direction loss [Re: boomer]  
Joined: Feb 2013
Posts: 757
john jay Online content
old hand
john jay  Online Content
old hand

Joined: Feb 2013
Posts: 757
ohio
Had a similar problem once, it turned out to be worn shoes on the selector tape. Maybe worth a look.

#33336 - 07/02/22 11:29 AM Re: MCE direction loss [Re: boomer]  
Joined: Jun 2017
Posts: 93
boomer Offline
journeyman
boomer  Offline
journeyman

Joined: Jun 2017
Posts: 93
Ended up being a bad position encoder inside the selector. We replaced the selector guide shoes and then the car wouldn’t run on auto. That’s what clued us in on the selector.


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