This is almost always the result of a dirty or obstructed safety feature.
Garage door closes and reopens.
When that happens the distance your garage door needs to travel may change.
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.
You push the button to close the garage door.
To troubleshoot the garage door opener button make sure it s clean and free of debris.
It goes partway down reverses direction and goes back up again.
This will cause the door to open and close until the button becomes unstuck.
In rare instances a nearby neighbor may have a garage door opener set to the same wireless.
What to do when your garage door opens and closes by itself check with your neighbors.
Close the garage door with the opener and watch it closely as it closes.
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.
Garage doors have many parts that all work together including safety features.
But changes in weather conditions can causes your garage door components to shift or contract.
These garage doors have sensors near the ground to ensure nothing gets stuck underneath the door when it closes.
If the garage door does not close completely or begins to close and then opens back up again the down limit switch needs.
An exposed spot or a short circuit in the small gauge wire that leads from the garage.
Inspect the control wiring.
Clean the button as well as the connections in the housing if this is the case.
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.