Garage door sensors must be aligned to ensure your garage door opens and closes properly.
How to fix garage door sensor alignment.
This is a brief demonstration on how to adjust the safety sensors on your garage door.
In other words something is probably blocking the beam.
Proper height for a garage door sensor is 4 to 6 inches 10 2 to 15 2 cm.
Lower is easy to stand above with a foot on either side.
But if the light on the receiving sensor is blinking you may have problems with garage door sensor alignment.
Higher than that can miss many low lying objects including pets.
Sensors may fall out of alignment over time so it s important to understand how to align garage door sensors.