This is almost always the result of a dirty.
Garage door hits bottom and goes back up.
Here s a rundown of some of the possible reasons this can be happening.
There are four common problems with garage door sensors three of these homeowners can fix themselves.
You may think the door is workingok because it feels ok but you should still check all components to be sure.
Garage door opener keeps going back up.
Garage doors sometimes seem to have a mind of their own often deciding when and how far they want to open or close.
If you stillare having problems you can make slight adjustments to either the closingforce opening force or the travel limit adjustments.
Your garage door opens immediately after closing.
As is the case with so many issues at the home there s no one reason why your garage door closes then opens.
Your travel down setting needs to be adjusted.
Your garage door opens when it hits the ground.
If your garage door is closing fully and then reversing to open again then it may be due to a problem with the close limit switch.
The photo eyes send an infrared beam across the bottom of your garage door opening if that beam is broken the door will reverse.
The garage door keeps going up and down.
By wade shaddy updated december 19 2018 you push the button to close the garage door.
Possible reasons why your garage door hits the floor then goes back up.
It may be your garage door sensor.
Sometimes the fix can be as simple as replacing the batteries in the opener and.
Do any necessary repairs reconnect the opener and try it out.
In order to fix this you ll want to make small changes to the close limit setting until the door opener knows to stop once the door has reached the floor.