It goes partway down reverses direction and goes back up again.
Garage door knots closes but then reopens.
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.
Doors that close or open by themselves are annoying.
This brain can wear out in time so you could need a replacement.
Close the garage door with the opener and watch it closely as it closes.
Check your springs above the garage door when it s closed.
Not connected to the opener a lot of times one of the springs has snapped this makes it much more difficult for the opener to open and.
Do you have a door adjustment tip.
This is almost always the result of a dirty or obstructed safety feature.
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You push the button to close the garage door.
There s a simple fix that you can do in less than 10 minutes for free.
When the logic board wears out it can cause your garage door to close then open and vice versa without explanation.
Your garage door s logic board is the brain of your garage door opener.