There are two types of adjustable down limit on liftmaster garage openers.
How to adjust liftmaster garage door limits.
Adjusting these dials alters how far the garage door travels while closing and how much force in kilograms the motor uses.
To increase the up travel turn the up limit adjustment screw clockwise.
When the garage door is in your desired up open position press and release the rectangular adjustment button.
This video gives you assistance and how to adjust info for the travel limits on liftmaster chamberlain and craftsman brand garage door openers with the ma.
Changes are necessary if the door reverses during closing moves with too much force or strikes the ground and moves back to the top.
To decrease the up travel turn the up limit adjustment screw counterclockwise.
How to adjust the travel limits of your garage door if it won t close all the way.
Use both the up and down arrow buttons for adjustment.
The travel distance limit setting and the downward force limit setting.
On most ceiling mounted liftmaster models you can find the limit adjustment screws on the left side panel of the opener.
You can do almost anything all you have to do is try.
Stand on a step ladder to reach the up limit switch adjustment screw on the side of the garage door opener.
Press and hold the down arrow button until the garage door reaches your desired down closed.
Upward and downward pointing arrows indicate the up and down screws.
One turn equals 2 5 cm of travel.
The garage door opener light will blink twice and the down arrow light will begin to blink.
Down travel to increase the down travel turn the down limit adjustment screw counterclockwise.
Using a flathead screwdriver turn the screw clockwise one full turn for every 3 inches you need the door to raise so it opens all the way.
Open and close the garage door.
0 00 adjusting the force on garage door opene.
Two dials on the side of the motor head regulate the down settings.