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Posted by on March 29, 2007, 2:29 pm
wrote:
> trad...@optonline.net wrote:
> > My Sears garage door opener, which is about 5 year old and used
> > infrequently, appears to be kaput. Here's what going on.
>
> > 1 - Door is in good balance and can move fairly easy with one hand
> > through it's range when disconnected.
>
> > 2 - When closing, most times the door will reverse at random points.
> > Sometimes when first starting to close, sometimes when a foot from the
> > bottom, etc.
>
> > 3 - It doesn't appear to be related to the eye sensors. The sensor
> > glows green as it should and if I break the beam with my foot, then
> > the door won't even start to close.
>
> > 4 - Tried setting the down and up force adjustments to maximum, with
> > no effect.
>
> > Any ideas? I'm thinking something is shot in the internal force
> > sensing circuit.
>
> Try removing one sensor and hold it right next to the other. Does it
> work now? My guess is that it is dirty or misaligned and the vibration from
> the door moving is moving it just enough to trigger it. If the lenses are
> cleaned and carefully aligned, it may take care of the problem.
>
> --
> Joseph Meehan
>
> Dia 's Muire duit- Hide quoted text -
>
> - Show quoted text -
And that was the problem. The light sensor was just barely aligned,
so it showed a green and OK light. But as it was closing, the door
track must have vibrated just enough so that it lost the beam
momentarily and reversed. I think it pobably went out of alignment
from someone, like me, bumping into it. It's working perfectly now.
Thanks Joseph.
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