Garage Door Photo Eye Beam Width

If something breaks the beam while the door is closing the opener motor automatically reverses direction and opens the door.

Garage door photo eye beam width.

One unit emits an infrared beam invisible to the naked eye. 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. Lower is easy to stand above with a foot on either side. These sensors sit either side of your garage door near the ground.

The other unit is a reflector. If the photo eye senses an obstruction it stops the door from closing and potentially prevents damage or injury to a vehicle. Proper height for a garage door sensor is 4 to 6 inches 10 2 to 15 2 cm. Liftmaster 41a5034 replacement safety sensor beam photo eye repair kit 041a5034 5 0 out of 5 stars 2 41a5034 liftmaster sears craftsman sensor cells photo eyes garage door opener.

The second is photoelectric. Higher than that can miss many low lying objects including pets. They shoot an invisible beam between them which will sense if something is between them as it breaks the beam.