If you have determined that your best solution is to replace your garage door sensors then you may be able to find compatible ones at the home depot lowes sears or houston s parts 4 garage doors at 832 834 3477.
How to adjust your garage door sensors.
Try adjusting the unlit sensor by manipulating it slightly with your hand.
Proper height for a garage door sensor is 4 to 6 inches 10 2 to 15 2 cm.
Higher than that can miss many low lying objects including pets.
If the light comes back on the door should work properly again.
Garage door sensors must be aligned to ensure your garage door opens and closes properly.
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.
Garage door sensors are designed to prevent the door from closing if something obscures the sensor.
In this video i show you how to realign your garage door sensors so that the garage door can function properly.
A few minutes every six months or so will.
When you examine how these sensors work you realize how intricate they are.
If your garage door sensors are outside of this range remove them entirely from the garage door frame and install leveled inside the safe zone.
Make note of the manufacturer and year the unit was made usually stamped on the motor itself.
Check the sensors to see if they are dirty.
Sensors may fall out of alignment over time so it s important to understand how to align garage door sensors.
Garage door safety sensors are sensitive to bangs and bashes and tend to lose alignment when something hits them hard.
Lower is easy to stand above with a foot on either side.