If the up travel isn t functioning properly turn the up limit adjustment screw clockwise.
How to adjust the garage door height on my chamberlain.
Press and hold the down arrow button until the garage door reaches your desired down closed.
Turn it only a quarter of a turn.
If you wish for the door opening height to increase you will turn the up or open screw in a clockwise direction.
Note one full turn of these screws equates to a door travel distance of two inches.
Note adjustment screws are on the left side of garage door opener motorheads.
Step 4 test the opener to see if the door height is now at the desired level.
Every complete turn equals 2 inches of travel.
Move it the opposite way to decrease it.
The garage door opener light will blink twice and the down arrow light will begin to blink.
This video details how to adjust the opener force and travel of the door.
To decrease it turn it counterclockwise.
In order to increase the down travel rotate the down limit adjustment screw counterclockwise.
Establishing the travel limits of chamberlain garage door openers.
Use both the up and down arrow buttons for adjustment.
If you would like to increase the height of the garage door then you will have to turn the up screws.