I understand your concern with wanting to add safety sensors to the garage door opener.
How to install safety sensors on garage door.
You need to look on the garage door opener head unit terminals.
Garage door sensors prevent the garage door from closing if there s something in the way.
If the garage door opener closes the door with the safety sensors blocked replace the logic board.
The sensors are normally about 4 inches above the ground.
Whenever there is an obstruction the garage door will automatically reverse before causing any damage.
You need 3 terminals.
Sensors are a critical safety feature but can prevent an automatic garage door from working properly.
Lower is easy to stand above with a foot on either side.
Garage door openers are a fast and safe way to access the garage area but only when they include the proper safety features.
Installing safety sensors on a garage door opener.
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 replacement safety sensors project an invisible light beam across the inside of the garage door to prevent accidents and are required for safe use of all chamberlain garage door openers.
Higher than that can miss many low lying objects including pets.
If your sensors or garage door motor is blinking or your door doesn t close it s a sign you could have faulty sensors.
We are here to help.
The door should stay open and the motor unit lights should blink.
The first one has a red wire that goes to the wall control.
Proper height for a garage door sensor is 4 to 6 inches 10 2 to 15 2 cm.
This safety sensor will work with all mvp garage door openers from challenger.
Open the garage door.
It also works with 1500 9100 9300 and 9500 models from challenger.
This system allows them to detect obstructions like your car or a kid on a bike.
Garage door sensors work by shooting a beam of infrared light across the entrance of your garage to the sensor on the other side.
If you didn t find an original replacement safety sensor made for your garage door opener then you need to consider the universal safety sensor by digi code.