If you wish for the door opening height to increase you will turn the up or open screw in a clockwise direction.
How to adjust the garage door height on my chamberlain.
Step 4 test the opener to see if the door height is now at the desired level.
Press and hold the down arrow button until the garage door reaches your desired down closed.
This video details how to adjust the opener force and travel of the door.
Turn it only a quarter of a turn.
The garage door opener light will blink twice and the down arrow light will begin to blink.
If the up travel isn t functioning properly turn the up limit adjustment screw clockwise.
In order to increase the down travel rotate the down limit adjustment screw counterclockwise.
Move it the opposite way to decrease it.
Every complete turn equals 2 inches of travel.
If you would like to increase the height of the garage door then you will have to turn the up screws.
When the garage door is in your desired up open position press and release the rectangular adjustment button.
Position ladder below the back or rear portion of the opener to access the screws.
You can as well turn on open in case of the garage door with a mark and close sign.
To decrease it turn it counterclockwise.
Use both the up and down arrow buttons for adjustment.