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.
Garage door closes then reopens.
Your garage door is programmed to travel a certain distance before it closes.
But changes in weather conditions can causes your garage door components to shift or contract.
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.
This is almost always the result of a dirty or obstructed safety feature.
You push the button to close the garage door.