This is almost always the result of a.
Garage door opens after hitting floor.
Look for any irregularities on the floor and on the bottom of the garage door.
This setting basically controls how much force is allowed when closing the garage door.
Deereman is right the door is set to go further than the floor so it thinks it s hitting an object.
Keep the door open a few feet off the ground as this takes the pressure off the door springs.
Close the door and use a level to determine that it s hitting the ground levelly on both sides.
Garage door reverses before hitting the floor.
Two possible problems can lead to a garage door reversing before it even touches the floor.
When the garage door opens about halfway or 5 feet from the ground and stops the up limit switch needs to be adjusted.
Adjust the settings to much higher and gradually set it to go lower till your satisfied with it.
Maintenance of an out of balance garage door.
If it doesn t adjust the spring tension on each side of the door until it does.
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.
Garage door openers have an adjustment screw that controls the closing force the pressure with which a door is allowed to descend before the motor switches off when the door reverses before it even hits the floor this is often because the close force.
One question some homeowners ask is why their garage door closes then immediately reverses to the open position.
One possible cause is that there is an obstruction on the floor where the door meets the floor.
How to fix a garage door that keeps reversing.
This is where the door will reverse open if it hits an obstacle when closing.
This is done with the help of sensors in the motor and on each side of the opening near the floor and mounted on the tracks.
Your garage door is likely the largest opening on your home s exterior so it s important to have the peace of mind that it is functioning properly.
Open the garage door and watch it closely as it opens.
In garage door operators made after 1993 there are required safety features that open the door during the close cycle when they detect something blocking the door.
You push the button to close the garage door.
When your garage door opens and closes there are two switches that it trips one for when it opens and one for when it closes.