Here s a rundown of some of the possible reasons this can be happening.
Garage door keeps going up and down.
Your garage door opens when it hits the ground.
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.
The button can easily get dirty and stuck in the pushed position.
Your travel down setting needs to be adjusted.
This is almost always the result of a dirty or obstructed safety feature.
Your garage door opens immediately after closing.
The garage door goes down then back up.
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.
You push the button to close the garage door.
Garage door opener keeps going back up.
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.
Here are some symptoms of the problem.
To troubleshoot the garage door opener button make sure it s clean and free of debris.
But one of the more perplexing issues is when the door goes up and down by itself with no help from you.
Garage doors have many parts that all work together including safety features.
It goes partway down reverses direction and goes back up again.
It all depends on the configuration but you likely have a button that activates the door operator.
Besides a short in the circuit board any number of mechanisms that are involved in making the door open and close could be the cause of the garage door opener s ghost movement.
These garage doors have sensors near the ground to ensure nothing gets stuck underneath the door when it closes.
Examine the garage door opener button.
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.
It can seem quite ghostly having your garage door operate with a mind of its own.
Automatic garage door openers are prone to a variety of problems most of which are fairly easy to fix with routine troubleshooting and maintenance.