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#6469 - 04/04/13 11:41 AM OTIS LRV-3 MYSTERY
bk2fla Offline
Service Manager

Registered: 02/11/10
Posts: 48
Loc: south florida
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.
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#6484 - 04/04/13 06:48 PM Re: OTIS LRV-3 MYSTERY [Re: bk2fla]
elevatedone Offline
member

Registered: 08/07/12
Posts: 127
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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#6490 - 04/05/13 05:09 AM Re: OTIS LRV-3 MYSTERY [Re: elevatedone]
john jay Offline
member

Registered: 02/18/13
Posts: 184
Loc: ohio
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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#6503 - 04/05/13 12:36 PM Re: OTIS LRV-3 MYSTERY [Re: john jay]
tony Offline
newbie

Registered: 10/08/12
Posts: 32
I second that on the connections ..not only the lock whipe but the wire terminals ...tighten all controler wires ..

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#6525 - 04/08/13 05:37 AM Re: OTIS LRV-3 MYSTERY [Re: tony]
bk2fla Offline
Service Manager

Registered: 02/11/10
Posts: 48
Loc: south florida
@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
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#6604 - 04/15/13 11:16 AM Re: OTIS LRV-3 MYSTERY [Re: bk2fla]
sooner40fan Offline
stranger

Registered: 04/15/13
Posts: 3
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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#6839 - 04/30/13 06:53 PM Re: OTIS LRV-3 MYSTERY [Re: sooner40fan]
Len Offline
member

Registered: 05/18/12
Posts: 138
..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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