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 door keeps going back up.
The photo eyes send an infrared beam across the bottom of your garage door opening if that beam is broken the door will reverse.
Also the garage door is the largest moving body of your home.
This is almost always the result of a dirty or obstructed safety feature.
You push the button to close the garage door.
Your garage door opens immediately after closing.
They are usually on the motor housing and you access them by opening a panel or removing the housing cover.
Garage door opener keeps going back up.
It is important to ensure that it is working perfectly and is not malfunctioning.
Your garage door opens when it hits the ground.
Garage door keeps going back up won t stay closed there is no doubt that the garage door is extremely important to keep your car s safe and secure in the garage.
The garage door goes down then back up.
If the door stops short of closing lengthen the close limit by turning the control knob in the direction indicated usually counterclockwise.
The symptom of this is a garage door that is in constant motion opening fully then immediately descending only to start the same cycle again.
Most garage door openers have an open and close limit control.
There may also be loose wire connections inside the button housing itself.
As these wires short against the housing the electrical impulse causes the door opener to activate.
Here s a rundown of some of the possible reasons this can be happening.
It goes partway down reverses direction and goes back up again.
Photo eyes or safety sensors are mounted to the track on either side of the garage door about 6 inches up from the ground.
Your travel down setting needs to be adjusted.
T his is a pretty uncommon problem but one that can happen after you ve first installed your garage door opener.
This is related to the up limit switch.
Here are some symptoms of the problem.