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