Clutter or obstructions that block the sensor are the first problems to look for if your door won t close or in extreme cases open at all.
Garage door does not go down all the way.
Start by making sure your garage door is open all the way.
How to adjust a garage door opener s travel setting when the garage door won t close all the way adjusting the travel setting on a garage door opener the craftsman garage door opener shown here has two set screws that control door travel.
Garage doors are heavy and to prevent injuries manufacturers of automatic openers include safety sensors to stop the door when someone is in the way.
If there s something blocking the door from closing all the way a full close will be impossible.
Depending on the brand.
One or more of these reasons is likely responsible for your garage door closing partially but not all the way.
A twisted or slightly bent track may be the culprit.
Something mechanical has most likely bound up.
First check the sensor lights.
When the door won t go down automatically.
The limit adjusters control how far the garage door goes up and how far it goes down.
You should also find buttons or nobs that will adjust the force too.
Locate the limit adjusters.
Adjust in small increments a half turn or less.
Though this problem should be obvious it shouldn t be overlooked.
On the main console the box that hangs from the ceiling you ll see a few different nobs and or buttons.
Also check the cables.