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Old 06-25-2004, 08:06 AM
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Garage Door Sensor Adjustment?

The sensor for my garage door (stops the door if it senses something is in its path) is out of adjustment. I must hold the button to close the door. What is the correct / best way to get the sensor "back in sync" to allow the door to close correctly?

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Big Al

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Old 06-25-2004, 08:13 AM
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As far as I am aware of, there is no sensitivity adjustment. I supect your sensor is bad, which is telling the door opener that something is in the way, that is why you are having to hold the button down. Usually the sensor is nothing more than a photoswitch.

Vince
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Old 06-25-2004, 09:51 AM
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You can check the sensors by the green light indicator on the receiving end. One sensor is a source (transmitter) and the other one is a receiver. The transmitter probably has a yellow light (led) and the receiver has a green light (led), when they are both aligned properly.

Loosen the bolts holding them on the door rails, and rotate the sensors one at a time. The receiver will show a green light when they are aligned properly. If it doesn't show a green light on the receiver after several tries of alignment, one sensor or the other is probably bad or maybe the lens is dirty. If there is no yellow light on the sender, then it is probably the bad guy. I suspect that one or the other just got bumped somehow and they are not aligned properly. I've never had one go out on me.

Check to be sure the sensor wiring didn't come loose somewhere also.
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Old 06-27-2004, 03:13 PM
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This was on Hometime once a while back, they said use a roll of paper towles and the door should just deforem them. Now I do not remember how they said to adjust it but the fact that they said it could be done is what is important to start with. Look in the manuel or on the site of the mfg and it will tell you how.
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Old 05-21-2010, 09:57 PM
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The yellow led is always on. The green led is on only with proper alignment. Be aware that a short in the writing can cause an led to go out. (I had assumed a damaged sensor or a common misalignment problem.)

I almost replaced the sensors myself which not have fixed the break in the wiring, as I would not rewired all the way to the operator unit.
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Old 05-22-2010, 09:15 AM
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You may also have to check the sensitivity on the unit itself.
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Old 05-22-2010, 10:22 AM
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Uhm, this thread is 6 years old, I hope he has fixed it by now.

Vince
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