The sensors project an invisible light beam across the inside of the garage door to ensure that if anything is coming in or going out that the door automatically reverses before hitting anything or anyone.
Aim garage door sensor.
When you examine how these sensors work you realize how intricate they are.
If a safety sensor stops working the remote control won t work and the motor unit lights.
Garage door safety sensors are sensitive to bangs and bashes and tend to lose alignment when something hits them hard.
Proper height for a garage door sensor is 4 to 6 inches 10 2 to 15 2 cm.
When determining whether they need to be replaced or just adjusted you need to look at all the options.
The photo eye of an automatic opening garage door is a safety feature.
In this video i show you how to realign your garage door sensors so that the garage door can function properly.
Package includes 2 safety sensors mounting brackets and 18 in of extension wire.
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.
Higher than that can miss many low lying objects including pets.
Lower is easy to stand above with a foot on either side.
Garage door sensors are safety devices that prevent the door from closing on people pets or objects in the doorway.
One that sends an infrared beam and one that receives the beam.
If an object or person is in the way of the beam the closing door reverses direction.
If the photo eye senses an obstruction it stops the door from closing and potentially prevents damage or injury to a vehicle.