There are two types of adjustable down limit on liftmaster garage openers.
Liftmaster garage door down force adjustment.
This is for models with manual adjustment screws.
Now press the remote control.
For more information about the liftma.
Try opening the garage door with the remote and see what happens.
Limit adjustment settings regulate the points at which the door will stop when moving up or down.
Changes are necessary if the door reverses during closing moves with too.
A garage door opener with an improperly adjusted closing force can damage the door or worse injure a child or pet that accidentally walks under the door.
These steps should fix.
The travel distance limit setting and the downward force limit setting.
The closing force of the door works as a.
Once the down close force adjustment is set you will set the up open force limit.
To reconnect the garage door to your liftmaster garage door opener manually close the garage door pull the emergency release handle down.
Make small adjustments at a time to the force limits retesting after each adjustment.
Adjusting these dials alters how far the garage door travels while closing and how much force in kilograms the motor uses.
This video details how to adjust the opener force and travel of the door.