If the garage door does not close completely or begins to close and then opens back up again the down limit switch needs.
Garage door shuts then reopens.
Your garage door is programmed to travel a certain distance before it closes.
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.
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.
Reasons why your garage door closes then reopens when your garage door keeps opening and closing there are typically several possibilities for this malfunction.
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.
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.
This is almost always the result of a dirty or obstructed safety feature.
If your garage door reverses when it hits the floor look into these three common causes and try troubleshooting the issue.
The sensors are dirty wipe lenses with a clean soft cloth.
The solution is usually one or more of the following.
You push the button to close the garage door.