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Forums13
Topics7,385
Posts40,939
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Most Online3,137
Apr 9th, 2026
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Joined: Feb 2010
Posts: 60
Service Manager
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Service Manager
Joined: Feb 2010
Posts: 60 |
Have a 3 stop LRV3 at least once a month gets stuck with doors closed,exit elevator light on, if doors are forced open nudging buzzer goes off and door nudges close and thats it!!! have to reset controller in order to run. i know its not much info but thats all i have. any idea what may be the cause? maybe bad magnetic sensors on COP? any help or suggestions would be greatly appreciated.
All those who wonder are not lost
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Joined: Aug 2012
Posts: 132
member
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member
Joined: Aug 2012
Posts: 132 |
You unlucky bastard.
Do you know if it was upgraded to the lrv 4?That would be the pc controller behind the cop.
Check your door locks,gate switch and cam switches in the door operator,assuming it's the otis version of gal,QL.
Reseat the plugs on the pc board behind the cop.
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Joined: Feb 2013
Posts: 800
old hand
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old hand
Joined: Feb 2013
Posts: 800 |
just something I have found on LRV'S, 75% of the problems are caused by the door open, door close relays. these are the 2 black plastic modules that plug in to the relay board. I always replaced these before doing anything elese.
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Joined: Oct 2012
Posts: 36
newbie
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newbie
Joined: Oct 2012
Posts: 36 |
I second that on the connections ..not only the lock whipe but the wire terminals ...tighten all controler wires ..
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Joined: Feb 2010
Posts: 60
Service Manager
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Service Manager
Joined: Feb 2010
Posts: 60 |
@elevatedone yes it has the pc board behind the cop.
i will check all that was suggested. thanks for the help guys.
@john jay @tony
All those who wonder are not lost
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Joined: Apr 2013
Posts: 4
stranger
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stranger
Joined: Apr 2013
Posts: 4 |
Had a similar problem. Check your voltages off the power supply above your processor board. If the voltages are fine, possibly the processor board.
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Joined: May 2012
Posts: 194
member
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member
Joined: May 2012
Posts: 194 |
..upgrade to an LRV4..processor..have had this problem before..this fixed a lot of issues..might be hard to find a replacement LRV3 processor board....
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HW PM
by Chris, January 13
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