This is so that any small children or pets will not be hurt if they are in the way of the door.
Garage door photo eye height.
The photo eyes mentioned above should not be installed higher than six inches above the garage floor.
If the eyes are installed higher a person or pet could get under the beam and not be detected by the photo eyes thus the standard manufacturer s recommendation of 4 to 6 above the floor.
6 inches of the path of the door.
When the beam is broken the garage door movement should reverse.
Safety sensors include two mounted sections one on each side of the garage door opening.
The sensors should be symmetrical in this height for the light beams to work properly.
Some diy homeowners are not sure as the the correct height of these electronics eyes.
The photo eye consists of two sensors one on either side of the garage door about 6 inches above the ground.
One of the sensors directs a beam toward the other.
The sensors use two photo eye lenses that transmit an infrared beam between them.
To test the safety eye system start the door closing then use a controlled obstruction to.
The way they function is quite simple.
These sensors send out an invisible beam that connects them.
Safety standards regulate this height at 6 inches from the floor surface.
Break the safety eye beam.