Garage Door Goes Back Up After Closing

This is almost always the result of a dirty or obstructed safety feature.
Garage door goes back up after closing. Close the garage door with the opener and watch it closely as it closes. You push the button to close the garage door. 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. If the door stops short of closing lengthen the close limit by turning the control knob in the direction indicated usually counterclockwise.
The garage door goes down then 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. They are usually on the motor housing and you access them by opening a panel or removing the housing cover. Your garage door opens immediately after closing.
The garage door keeps going up and down. This is a safety feature that has been added to garage door openers to help prevent the door from closing on a car pet or even a child. Most garage door openers have an open and close limit control. Here s a rundown of some of the possible reasons this can be happening.
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. 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. The garage door will automatically go in reverse whenever it hits an obstruction such as the driveway or ground. Your garage door opens when it hits the ground.
Your travel down setting needs to be adjusted.