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Posted by Mr. Tool on December 27, 2006, 11:05 pm
BD wrote:
> I have a 1/2 HP Craftsman GDO that is about 3 years old. All of a sudden
> the door will now only open about 12 to 18 inches; the lights do not flash
> at this point. If I press the button (on the wall or the remote) the door
> will go down and then (usually) return back up to the 12 or 18 inch height.
> HOWEVER, if I block the beam with my foot before it starts going back up, it
> will return continuing to the fully open position and the lights will flash.
> Any ideas? Thanks, Bill
>
>
1. Check the beam alignment.
2. Make sure something on the back of the door isn't intruding into the
beam.
3. Check the load setting on the motor, maybe increase it a bit.
4. Check the tracks to see if they are all stable and aren't missing a
piece.
Weird problem.
Hope this helps,
The "Tool"
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