It all depends on the configuration but you likely have a button that activates the door operator.
Garage door keeps going up and down.
Your travel down setting needs to be adjusted.
If the door goes up seemingly on its own after you close the door be sure to check for any debris the sensor is picking up.
Your garage door opens immediately after closing.
But one of the more perplexing issues is when the door goes up and down by itself with no help from you.
These issues include shorts in the wall button the garage door opener remote the wall button wiring the wired keypad or other related electronic issues.
To troubleshoot the garage door opener button make sure it s clean and free of debris.
Possible reasons why your garage door hits the floor then goes back up as is the case with so many issues at the home there s no one reason why your garage door closes then opens.
Garage doors have many parts that all work together including safety features.
The garage door keeps going up and down.
If you find that your garage door is reversing before even hitting the floor then it could be possible that there is a problem with the close force setting.
This setting basically controls how much force is allowed when closing the garage door.
The button can easily get dirty and stuck in the pushed position.
Examine the garage door opener button.
It goes partway down reverses direction and goes back up again.
Here are some symptoms of the problem.
This is almost always the result of a dirty or obstructed safety feature.
Automatic garage door openers are prone to a variety of problems most of which are fairly easy to fix with routine troubleshooting and maintenance.
These garage doors have sensors near the ground to ensure nothing gets stuck underneath the door when it closes.
The garage door goes down then back up.
The door operator button is similar to a door bell.
Your garage door opens when it hits the ground.
It can seem quite ghostly having your garage door operate with a mind of its own.
Garage door opener keeps going back up.