Turn the adjustment screw on the limit clockwise if the door doesn t fully close.
Safety garage door sensitivity adjustment.
The limit the force and the safety reverse.
The garage door opener light will blink twice and the down arrow light will begin to blink.
If the door won t stay open to its full extent or doesn t close flush to the ground the travel control needs an adjustment.
This can create a dangerous situation.
There are two types of adjustable down limit on liftmaster garage openers.
The photo eye of an automatic opening garage door is a safety feature.
When you examine how these sensors work you realize how intricate they are.
Adjusting these dials alters how far the garage door travels while closing and how much force in kilograms the motor uses.
When the garage door is in your desired up open position press and release the rectangular adjustment button.
When the door reverses before it even hits the floor this is often because the close force setting needs adjustment.
When determining whether they need to be replaced or just adjusted you need to look at all the options.
A flathead screwdriver is all that is needed to make a limit adjustment on most garage door openers.
Garage door openers are designed to reverse direction when a descending garage door meets an obstruction.
Press and hold the down arrow button until the garage door reaches your desired down closed.
While you are doing maintenance on the closer and reversal adjustment check and tighten all the screws in the door and.
Garage door openers have an adjustment screw that controls the closing force the pressure with which a door is allowed to descend before the motor switches off.
If your door does not reverse readily after contacting an obstruction the opener s sensitivity adjustment may be set improperly.
Changes are necessary if the door reverses during closing moves with too much force or strikes the ground and moves back to the top.
Use both the up and down arrow buttons for adjustment.
If any object blocks the path of the infrared sensors the garage door opener will not activate or will reverse if operating.
Some motors have a separate up and down travel adjustment.
If the up travel isn t functioning properly turn the up limit adjustment screw clockwise.
On jan 13 2020.
When your garage door opener isn t working properly there are several components you can adjust to address the issue.
See your owner s manual for how to adjust your opener s sensitivity.
If the photo eye senses an obstruction it stops the door from closing and potentially prevents damage or injury to a vehicle.
The travel distance limit setting and the downward force limit setting.
Garage doors may display a variety of symptoms if sensors need attention.
Step 1 adjust the limit.
