Close the garage door with the opener and watch it closely as it closes.
Garage door closes all the way then reopens.
You push the button to close the garage door.
I can t work my way past where you said you pull the door and it closes all the way.
Close the door with either the door control or the remote control.
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.
If the garage door does not close completely or begins to close and then opens back up again the down limit switch needs.
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.
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.
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.
This will disconnect the garage door opener from the door.
Outside of those things you may need to have a technician come and check the unit s out.
Pull the emergency release handle down and back towards the garage door opener.
It goes partway down reverses direction and goes back up again.
To fix this issue and get your liftmaster garage door opener working again follow these troubleshooting steps.