Garage door sensor problem.

Old 10-08-18, 01:53 PM
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Join Date: Oct 2018
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Arrow Garage door sensor problem.

Classic problem. Door goes up wonít go down. Hold wall button. Forces door down. Linear head unit. I have tried everything.

1. Check for anything in the way. Cleaned both sensors
2. No broken wires
3. Check alignment markings. Both good and lined up
4. Used the other door red light sensor that works. Will not come on with the door that wonít close
5 ordered new sensors. 2 solid green light. No solid red light. Red light is very faint and rapid blinking. Can barely see it.

What is is the problem? Iím stumped
Old 10-09-18, 02:23 AM
Doorman2722's Avatar
Join Date: Oct 2005
Location: upstate NY
Posts: 999
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try wiring the eye sensors directly to the circuit board (this will bypass any faulty wiring). If not I would guess it's a bad circuit board.

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