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    Quirky GDO

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    randy86314

    Posts : 2
    Join date : 2017-12-03

    Quirky GDO

    Post  randy86314 on Sun Dec 03, 2017 10:32 am

    I say quirky, because my sensors don't follow the rules: both green and amber LEDs have always been lit, even when the receiver is pointed at the wall. For 16 years, both LEDs have always been lit. and the GDO worked fine. Recently, the GDO stopped working, and the green LED was not ON. I replaced the sensors with Chamberlain 801CB from Lowe's. The manual lists the sensors as 41A5034, which seems to be a correct match. The GDO still didn't work. I ordered and replaced the logic board: the GDO still did not work. The door rises normally, I can lower the door by keeping the wall button pushed until the door closes, and the GDO does not respond to the remote, even tho I programmed the opener to accept the codes. And, yes, when I push the wall button the first time, it blinks 10 times. On the second, continuous push the door lowers.

    A local garage door installer visited to check out my GDO. He attached his test sensors (two working sensors on a short board with obvious perfect alignment) to the GDO. The GDO still didn't work. Interrupting the beam did not make the green LED  go out. I ordered and installed another logic board, and I installed new wiring between sensors and the opener: the GDO still did not work.

    Can anyone solve my problem?
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    GDZone
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    Posts : 225
    Join date : 2009-04-28

    Re: Quirky GDO

    Post  GDZone on Sun Dec 03, 2017 8:25 pm

    That is odd. Since you've tried numerous sensors and logic boards without any difference I would have to guess that the problem is in the wiring harness that goes to the logic board. I can't think of anything else in the operator that would be related to problem you are having.


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    randy86314

    Posts : 2
    Join date : 2017-12-03

    thanks

    Post  randy86314 on Mon Dec 04, 2017 9:38 pm

    Is it something that can be readily repaired, or should I start to look for a replacement?
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    GDZone
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    Re: Quirky GDO

    Post  GDZone on Tue Dec 05, 2017 11:32 am

    You should be able to get a wiring harness at your local garage door store or online.


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