If the door still won t stay shut double check that the sensors are aligned with each other.
How to fix a garage door that won t close.
One of them may be slanted toward the door and binding it.
Check your tracks for apparent signs of damage.
Garage door won t close completely if your garage door isn t closing all the way but also doesn t reverse you might need to adjust something called the limit switch.
If you can t find any other reason that the door won t close check the alignment of the side tracks.
The craftsman garage door opener shown here has two set screws that control door travel.
If they get warped bent or damaged it can stop the door from closing partway down.
To fix it increase your down limit slightly and run the safety test again.
If it reacts and starts opening before reaching the box or board there is no reason for worry.
Garage door openers come with.
Test after each adjustment.
There should be 1 2 to 3 4 inch of.
Then you should try to close your garage door.
Continue adjusting until the door opens and closes satisfactorily.
Adjust in small increments a half turn or less.
Puls is your go to for garage door repair.
If it does not this poses a potential danger.
If possible use a rubber or wooden mallet to get them back into shape if you notice minor issues.
Another option is to lay a board on the ground.
If they aren t gently bend them to restore a clear connection and secure a clean escape from.
The tracks running up the sides of your garage door guide the rollers as the door moves.