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 bouces back up.
Is your garage door popping or making a loud thud when you are opening or closing it.
The garage door will automatically go in reverse.
If something gets in the way the door will go back up so check to see if one of them is bent inward.
Here s a rundown of some of the possible reasons this can be happening.
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.
By wade shaddy updated december 19 2018 you push the button to close the garage door.
You should have them at the bottom on each side just to the inside.
Incorrectly set limit switches may prevent your garage door from closing completely or opening all the way.
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.
Your travel down setting needs to be adjusted.
Your garage door sensor works by having two photo sensitive devices on either side of the garage door.
One emmits a beam at the bottom and when the beam is broken the door goes up.
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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.
We design and engineer residential garage door openers commercial door operators and gate entry systems.
This is almost always the result of a dirty.
This setting basically controls how much force is allowed when closing the garage door.
Chamberlain group cgi the corporate parent company to liftmaster chamberlain merlin and grifco is a global leader in access solutions and products.
Watch this video to see how to fix it easily.
A careless or rushed parking job can cause the car s bumper to block the sensor.
Also something could be handing off the bottom of the door and is to far inward breaking the beam.