When determining whether they need to be replaced or just adjusted you need to look at all the options.
Adjusting garage door safety sensors.
Higher than that can miss many low lying objects including pets.
Garage door safety sensors are sensitive to bangs and bashes and tend to lose alignment when something hits them hard.
If any object blocks the path of the infrared sensors the garage door opener will not activate or will reverse if operating.
The sensors are located above the floor at each side of the door opening and.
If your sensors or garage door motor is blinking or your door doesn t close it s a sign you could have faulty sensors.
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.
Lower is easy to stand above with a foot on either side.
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.
On the garage door motor there will be two knobs or dials to adjust the opener and the reverse sensor.
Important safety feature 2.
Join us as we show the step by step process on aligning your safety reverse 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.
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.
Adjust the garage door opener mechanism.
Sensors are a critical safety feature but can prevent an automatic garage door from working properly.
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.
In this video i show you how to realign your garage door sensors so that the garage door can function properly.
When you examine how these sensors work you realize how intricate they are.
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.