Garage Door Beam Sensor Alignment

Give your garage door opener a try.

Garage door beam sensor alignment.

If not adjust one or both of the sensors to bring the string up to level. These are located slightly above the ground on both the right and left sides of the garage doors. The working of these sensors is quite simple. Using a level check that the string is level.

Garage door sensors utilize a photo eye sensor and a beam of infrared light that goes between the two units. The units are placed near the ground on either side of the garage door. The infrared beam from the garage door opener sensors isn t able to be seen by human eyes. Pull the string taut and tie to the other bracket in the same position.

To adjust the sensor loosen the wing nut with your wrench and set t it to the exact height that the other sensor is at. This precaution ensures that the door doesn t close when your car is in the doorway. In this case you will set up the level aligned with one sensor then adjust the opposite sensor until the beam of your laser level is hitting the sensor. It operates on a low voltage beam which completed the switch when the door is in running condition.

It is a beneficial device if you have kids or pets in your house. To realign them adjust the sensor that seems misaligned and wait for the led lights to light up. If the beam of light is interrupted while the garage door is closing the door will stop and rise back up. Proper height for a garage door sensor is 4 to 6 inches 10 2 to 15 2 cm.

If you have a laser level you can use it instead of a string to align your garage door. In this video i show you how to realign your garage door sensors so that the garage door can function properly. Sensor path make sure nothing is obstructing the sensor beam. If it s not at the exact height of the other sensor you ll need to adjust it.

The sensors are normally about 4 inches above the ground. Tie a string long enough to span the width of the garage door around the bracket on one side so that the string will line up with the sensor lens. One of the sensors directs a beam toward the other. This system allows them to detect obstructions like your car or a kid on a bike.

The same mechanism kicks in when other objects are placed near the door too. The sensors are delicate and can easily become. On most brands of garage door sensors the led light on each sensor will not light up unless the sensors are aligned. In general garage door sensors block the door from closing if there is an object nearby.

Garage door sensors work by shooting a beam of infrared light across the entrance of your garage to the sensor on the other side. As long as the beam isn t interrupted the door will open or close normally. Do both garage sensors need to be green. If the lights on the sensors are lit it probably means that there is another reason that your garage door isn t closing.