To learn how to test your garage door opener s protecto.
Garage door safety reverse sensor.
Test door opener monthly.
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Refer to the owner s manual to determine which is which.
The garage door must reverse on contact with a 11 2 inch object or a 2 by 4 board laid flat on the floor.
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The working of these sensors is quite simple.
It is a beneficial device if you have kids or pets in your house.
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.
The latest garage door sensors are technologically advanced and even allow you to control the opening and closing through an app on your smartphone.
This video will show you how to perform the test of your garage door opener s safety reversal system.
After adjusting either the force or the limit of travel retest the door opener.
Sometimes the sensor may be beyond repair due to wear and tear and in such a case your best bet is to replace the garage door sensor with a new one.
It prevents the doors from automatically closing when anyone is in the doorway.
Failure to adjust the opener properly may cause severe injury or death.
If done correctly you ll have disconnected your safety sensors from your garage door.
Garage doors may display a variety of symptoms if sensors need attention.
If any object blocks the path of the infrared sensors the garage door opener will not activate or will reverse if operating.
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Use a pair of wire cutters to cut the white and black wire about an inch from the sensor.
This video demonstrates how to test the safety reversal system of your liftmaster garage door opener.
The garage door sensors are the safety add on to your garage doors.
The adjustment for the opener will.
Cut the wires about 1 inch 2 5 cm from the safety sensor.