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.
My garage door closes then reopens.
If it closes before that distance has been traveled it thinks something is wrong and it reopens to help prevent any damage or safety risk.
This is almost always the result of a dirty or obstructed safety feature.
In rare instances a nearby neighbor may have a garage door opener set to the same wireless.
If it closes only partway the safety sensors are usually responsible clean the lenses or realign them and make sure there are no obstacles blocking the beam.
Inspect the control wiring.
What to do when your garage door opens and closes by itself check with your neighbors.
But changes in weather conditions can causes your garage door components to shift or contract.
It goes partway down reverses direction and goes back up again.
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 programmed to travel a certain distance before it closes.
You push the button to close the garage door.
If you re craftsman chamberlain etc garage door opener is closing and then opening up its likely a common problem related to the stop limit mechanism.
If your garage door won t open or close the problem could be a bent track a broken torsion spring or a bad capacitor int he motor housing.