Garage Door Shuts Then Opens

This is almost always the result of a dirty or obstructed safety feature.
Garage door shuts then opens. Your garage door sensor works by having two photo sensitive devices on either side of the garage door. 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. It goes partway down reverses direction and goes back up again. The solution is usually one or more of the following.
When the garage door opens about halfway or 5 feet from the ground and stops the up limit switch needs to be adjusted. They are misaligned this is the most likely problem and the most common issue with garage door openers. 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 these can t see each other when the door is almost shut it will send a signal to the garage door motor to open back up.
The sensors are dirty wipe lenses with a clean soft cloth. 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. If the door closes while holding the button pressed you are likely having one of the following issues with your safety sensors. A careless or rushed parking job can cause the car s bumper to block the sensor.
As is the case with so many issues at the home there s no one reason why your garage door closes then opens. Your travel down setting needs to be adjusted. You push the button to close the garage door. 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.
Open the garage door and watch it closely as it opens.