Good point about the 'beam'. My door is south facing and the sun at just
the right angle will prevent the door from closing.
--------------------------------------------------
From: "Jeff Scarbrough" <fishplate@gmail.com>
Sent: Monday, September 15, 2014 10:31 AM
To: "shop-talk@autox.team.net" <Shop-talk@autox.team.net>
Subject: Re: [Shop-talk] Garage door opener problem
> I second the beam issue. I've had occasions before where the beam was
> barely aligned, but the action of the door starting must have shook it
> or flexed it off. I'd watch the lights on the beam receiver as the
> door is operated and see what happens, or I'd go ahead and clean and
> re-align the beam, making sure it's centered.
>
> Jeff Scarbrough
> Corrosion Acres, Ga.
>
> On Mon, Sep 15, 2014 at 10:18 AM, Steven Trovato <strovato@optonline.net>
> wrote:
>> All the advice about lubricating rollers and checking for binding is all
>> good and worthwhile to do. However, with my Chamberlain openers, when
>> the
>> light blinks and it refuses to close, it means the safety beam system is
>> detecting an obstruction. It could be a beam alignment issue, it could
>> be
>> dirt or something on the lens. It could be a fault in the circuit board.
>> In my experience, though, it is never related to the door binding. On my
>> openers the door may reverse because of binding, but this does not cause
>> the light to blink. The fact that the problem went away for a week when
>> the service guy came leads me to believe that it is not a fault in the
>> board. It is more likely to be a beam alignment or cleaning issue.
>>
>> -Steve Trovato
>> strovato@optonline.net
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