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.
Garage door closes all the way then reopens.
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.
Pull the emergency release handle down and back towards the garage door opener.
If the door closes and then opens again on its own adjust the rod in the tube to provide 1 inch of cushion compression when the door is completely closed.
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.
This will disconnect the garage door opener from the door.
To fix this issue and get your liftmaster garage door opener working again follow these troubleshooting steps.
If the garage door does not close completely or begins to close and then opens back up again the down limit switch needs.
You push the button to close the garage door.
Your garage door is programmed to travel a certain distance before it closes.
Close the door with either the door control or the remote control.
If the door starts to close then opens again and the light begins to flash the infrared safety sensors are out of adjustment or defective.
This is almost always the result of a dirty or obstructed safety feature.
If there is a force adjustment out of range that could potentially cause this issue.