Another option is to lay a board on the ground.
How to fix a garage door that won t close.
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.
Check your tracks for apparent signs of damage.
Garage door openers come with.
The tracks running up the sides of your garage door guide the rollers as the door moves.
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.
Continue adjusting until the door opens and closes satisfactorily.
If possible use a rubber or wooden mallet to get them back into shape if you notice minor issues.
There should be 1 2 to 3 4 inch of.
If it does not this poses a potential danger.
If the door still won t stay shut double check that the sensors are aligned with each other.
Adjusting the travel setting on a garage door opener.
If they get warped bent or damaged it can stop the door from closing partway down.
The craftsman garage door opener shown here has two set screws that control door travel.
If you can t find any other reason that the door won t close check the alignment of the side tracks.
Test after each adjustment.
If they aren t gently bend them to restore a clear connection and secure a clean escape from.
Adjust the limit on your garage door and then put a box under it.
Close your garage door and see if it bounces back up when it reaches the board.
Then you should try to close your garage door.