Garage Door Almost Closes Then Goes Back Up

Turn the down limit switch screw clockwise one turn with a flat blade screwdriver if the garage door closes and then begins to open back up.

Garage door almost closes then goes back up.

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 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. The garage door will automatically go in reverse whenever it hits an obstruction such as the driveway or ground.

Sometimes the sensors will be in alignment and just as the door gets close to being shut it will vibrate enough to push one sensor off. If these can t see each other when the door is almost shut it will send a signal to the garage door motor to open back up. The door stops before it is completely closed or open most garage door openers have an open and close limit control. Your garage door sensor works by having two photo sensitive devices on either side of the garage door.

Here s a rundown of some of the possible reasons this can be happening. They are usually on the motor housing and you access them by opening a panel or removing the housing cover. Your travel down setting needs to be adjusted. By wade shaddy updated december 19 2018 you push the button to close the garage door.

This is almost always the result of a dirty. A careless or rushed parking job can cause the car s bumper to block the sensor.