Adjusting Garage Door Safety Sensors

Adjust the garage door opener mechanism.

Adjusting garage door safety sensors.

Join us as we show the step by step process on aligning your safety reverse sensors. The second line of defense is a set of infrared sensors which should be mounted 4 to 6 above the floor on each side of the garage door frame. How to adjust the safety sensors on a garage door one of the first things to check is to make sure that there is nothing in the way of the invisible sensor beam. Higher than that can miss many low lying objects including pets.

When you examine how these sensors work you realize how intricate they are. Important safety feature 2. Garage door sensors prevent the garage door from closing if there s something in the way. Look from left to right along a straight line in between the sensors and move anything that may be in the way such as garden equipment tools boxes and the like.

For the door to close correctly without reversing the safety sensors need to be aligned perfectly and there should be nothing in the way of the light beam. Proper height for a garage door sensor is 4 to 6 inches 10 2 to 15 2 cm. Garage door safety sensors are sensitive to bangs and bashes and tend to lose alignment when something hits them hard. 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.

Sensors are a critical safety feature but can prevent an automatic garage door from working properly. If any object blocks the path of the infrared sensors the garage door opener will not activate or will reverse if operating. On the garage door motor there will be two knobs or dials to adjust the opener and the reverse sensor. If your sensors or garage door motor is blinking or your door doesn t close it s a sign you could have faulty sensors.

To prevent the garage door from injuring someone in the door or damaging an item in the way of the door all models of liftmaster garage door openers come installed with a safety sensor. When determining whether they need to be replaced or just adjusted you need to look at all the options. Lower is easy to stand above with a foot on either side. Refer to the owner s manual to determine which is.