Fix garage door opener sensors electric garage door openers are a great innovation but as is the case with every electric electronic component things can go bad and malfunction.
Garage door opener sensors setup.
If the garage door opener closes the door with the safety sensors blocked replace the logic board.
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.
Higher than that can miss many low lying objects including pets.
The sensors are normally about 4 inches above the ground.
This system allows them to detect obstructions like your car or a kid on a bike.
1 push the safety sensor with attached carriage bolt.
Lower is easy to stand above with a foot on either side.
Place a box or similar object between the safety sensors to block the sensing beam.
Open the garage door.
As long as the beam isn t interrupted the door will open or close normally.
The door should stay open and the motor unit lights should blink.
Proper height for a garage door sensor is 4 to 6 inches 10 2 to 15 2 cm.
Garage door sensors work by shooting a beam of infrared light across the entrance of your garage to the sensor on the other side.
The infrared beam from the garage door opener sensors isn t able to be seen by human eyes.