Refer to the owner s manual to determine which is.
How to align safety sensors on garage door chamberlain.
Compatible with chamberlain and liftmaster garage door openers manufactured after 1997.
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.
Adjust the garage door opener mechanism.
Safety sensors are required for safe use of all chamberlain garage door openers.
Lower is easy to stand above with a foot on either side.
Proper height for a garage door sensor is 4 to 6 inches 10 2 to 15 2 cm.
How durable are garage door sensors.
If your sensors or garage door motor is blinking or your door doesn t close it s a sign you could have faulty sensors.
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In this video i show you how to realign your garage door sensors so that the garage door can function properly.
For that reason every.
And the opener will then stop the opening process and reverse the door back up.
The sensors send a signal to the garage door opener if there is something in the path of the door.
This video will show you how to align the safety reversing sensors on your garage door opener.
Higher than that can miss many low lying objects including pets.
Even though they will not break so easily safety eyes tend to get out of alignment every once in a while.
Whenever there is an obstruction the garage door will automatically reverse before causing damage.