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.
Adjusting garage door safety sensors.
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.
Garage door safety sensors are sensitive to bangs and bashes and tend to lose alignment when something hits them hard.
When determining whether they need to be replaced or just adjusted you need to look at all the options.
Higher than that can miss many low lying objects including pets.
If any object blocks the path of the infrared sensors the garage door opener will not activate or will reverse if operating.
Adjust the garage door opener mechanism.
Garage door sensors are safety devices that prevent the door from closing on people pets or objects in the doorway.
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.
Sensors are a critical safety feature but can prevent an automatic garage door from working properly.
On the garage door motor there will be two knobs or dials to adjust the opener and the reverse sensor.
When you examine how these sensors work you realize how intricate they are.
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.
The sensors are located above the floor at each side of the door opening and.
Important safety feature 2.
Proper height for a garage door sensor is 4 to 6 inches 10 2 to 15 2 cm.
If your sensors or garage door motor is blinking or your door doesn t close it s a sign you could have faulty sensors.
Garage door sensors prevent the garage door from closing if there s something in the way.
Refer to the owner s manual to determine which is.
Lower is easy to stand above with a foot on either side.