This will cause the door to open and close until the button becomes unstuck.
Garage door closes and reopens.
If the door goes up seemingly on its own after you close the door be sure to check for any debris the sensor is picking up.
Clean the button as well as the connections in the housing if this is the case.
Inspect the control wiring.
When that happens the distance your garage door needs to travel may change.
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.
What to do when your garage door opens and closes by itself check with your neighbors.
The button can easily get dirty and stuck in the pushed position.
An exposed spot or a short circuit in the small gauge wire that leads from the garage.
It goes partway down reverses direction and goes back up again.
To troubleshoot the garage door opener button make sure it s clean and free of debris.
You push the button to close the garage door.
But changes in weather conditions can causes your garage door components to shift or contract.
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.
In rare instances a nearby neighbor may have a garage door opener set to the same wireless.
Close the garage door with the opener and watch it closely as it closes.
This is almost always the result of a dirty or obstructed safety feature.
Garage doors have many parts that all work together including safety features.
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.