Garage door sensors use infrared light.
Sun blocking my garage door sensor.
If you discover this problem the sensor path is the first thing you should check as any objects blocking the path will prevent the door from closing.
My door has this issue but even cleaning the glass on both sides after putting a solid cardboard piece in the way of direct sunlight so the sensor is always shaded the door still won t shut when the sun is at a certain angle in the sky.
Like a toilet paper tube around the sensor will block much of the sunlight just be sure to avoid blocking the actual sensor.
Is the sun interfering with your garage door sensor.
Put the left side sensor on the right side and right side one on the left side.
The sun also carries infrared light which you guessed it is more powerful than the light of the sensors.
If your garage door faces south and the door will not go down.
Michael jan 30 18 at 4 45.
Knowing how a garage door sensor works allows a homeowner to be watchful for what might affect it.
If you are in a hurry and need to get your garage door closed right away stand in such a way that you cast a shadow over your garage door s beam sensor but of course don t block the beam itself just the sunlight that is shining on it and then press your remote control so that your door will close.
This is a common garage door safety feature that prevents injury and damage to personal belongings.
Try swapping sides with the 2 sensors.
It may be that your safety sensor is being blinded by the light of the sun.
A few different things to try.
But let s remember a garage door sensor is a safety feature.
Other signs include flashing garage door opener lights missing sensor light or flashing.
How a garage door sensor works.
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It s sensing the extra strong light of the sun and then when the shade hits it the drastic difference in the 2 makes it think there s something blocking the door.
Did you get home park your car in the garage hit the wall button to shut it and halfway through it stopped and reversed back up.