Garage door sensors use infrared light.
Sun blocking my garage door sensor.
Other signs include flashing garage door opener lights missing sensor light or flashing.
If your garage door faces south and the door will not go down.
Doityourself has a wonderful explanation.
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.
Knowing how a garage door sensor works allows a homeowner to be watchful for what might affect it.
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.
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.
Try swapping sides with the 2 sensors.
A few different things to try.
Put the left side sensor on the right side and right side one on the left side.
Is the sun interfering with your garage door sensor.
It may be that your safety sensor is being blinded by the light of the sun.
Like a toilet paper tube around the sensor will block much of the sunlight just be sure to avoid blocking the actual sensor.
The sun also carries infrared light which you guessed it is more powerful than the light of the sensors.
How a garage door sensor works.
This is a common garage door safety feature that prevents injury and damage to personal belongings.
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You have checked that nothing is blocking the sensors beam and made sure all wires are connected properly and still the same thing happens over and over again.
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.
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.