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Posted by DerbyDad03 on May 11, 2008, 12:02 pm
> Problem:
>
> The problem is that it will not operate properly from remotes but does
> go all the way down when the wall mounted button is held down.
> The next day, it "may" operate correctly from the remotes.
>
> From your troubleshooting guide I see that :
> =A0 =A0 =A0 =A0 "c. If door goes down all the way by holding constant pres=
sure
> on wall station YOUR BEAMS OR BEAM WIRES ARE THE PROBLEM! "
>
> In that the indicator lights on the beams show correctly and there is
> no blockage, is there a way to jumper the indicators to see if they
> are faulty ? What do I look for faulty wires ? =A0I have checked and
> fund no frayed wires.
>
> Solution
>
> The Factory rep came out after 5 service calls and found that the wire
> on the sending unit sensor was curled , like you would wrap around a
> pencil looking like a spring. It looked neat but indicated they had
> failure issues when the installer did this. He replaced the unit and
> all has been OK since.
It sounds like the wire that was "looking like a spring" was
essentially a homemade inductor.
http://www.physics.sjsu.edu/becker/physics51/31_03_Inductor.JPG
I can imagine how this could screw up the operation of the unit.
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