Outside of those things you may need to have a technician come and check the unit s out.
Garage door closes all the way then reopens.
Close the door with either the door control or the remote control.
If there is a force adjustment out of range that could potentially cause this issue.
You push the button to close the garage door.
This is almost always the result of a dirty or obstructed safety feature.
But changes in weather conditions can causes your garage door components to shift or contract.
This will disconnect the garage door opener from the 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.
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.
Your garage door is programmed to travel a certain distance before it closes.
To fix this issue and get your liftmaster garage door opener working again follow these troubleshooting steps.
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.
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.
I can t work my way past where you said you pull the door and it closes all the way.