How To Fix Garage Door Sensor Alignment

For instance try using the wall switch instead of the remote.

How to fix garage door sensor alignment. You can cut close to the sensor. How to fix a garage door sensor. A garage door sensor or photo eye consists of two devices. Slowly rotate sensor back aligning sensor with sending sensor until it lights up green again. Tie a string to one sensor so that if pulled across the garage doorway it will run across the center of the sensor.

Point the sensor away from the sending sensor so that the light is completely off. 5 run the string across the garage doorway and tie to the opposite sensor. If nothing works press and hold the wall switch until the door shuts down. If it isn t that s a sign that the sensors are out of alignment. The easiest fix in this situation often doesn t require any repair but is usually related within the realm of cleanliness or clutter.

Position the knot so the string runs across the center of that sensor too. To fix it you ll need to loosen one sensor on it s mount and move it up or down until you can get the string level. Tie a length of string between the sensors and use a spirit level to see if the string is level. This creates an invisible beam that if broken by anything in its path triggers the garage door opener to reverse and return the door to its original open position. Using your wire cutter snip the wires that continue to attach the sensor to your garage door.

Once you ve done that try the door again. Give yourself only about a half inch from the sensor. Once the light is off wait 10 seconds. So here is the step by step guide on how to fix a garage door sensor. You can do so by taking off the wing nut.