When the door closes halfway but then reverses for no apparent reason this may be a sign that there is something preventing it from closing something that you can t see.
Garage door open for no reason.
You might have absentmindedly unplugged the operator as you were exiting the garage through your internal door to the house.
Likely culprits include the wires the internal circuitry and more.
Clean the button as well as the connections in the housing if this is the case.
According to a persistent urban legend a plane passing over your home can cause your garage door to open.
The button can easily get dirty and stuck in the pushed position.
One day said door opens by itself for no apparent reason.
Sometimes a garage door won t open or close for one reason only the operator has no power connection.
Get logic board replacement.
In the funniest of scenarios the problem will simply be due to an unplugged power cord.
This will cause the door to open and close until the button becomes unstuck.
Your garage door s logic board is the brain of your garage door opener.
You can often times see the spring broken but don t try to touch it investigate.
The frequency used in older garage door openers could interfere with certain military planes.
Garage doors are heavy and trying to replace a broken spring on your own can be dangerous.
This is almost always the result of a dirty or obstructed safety feature.
A garage door opener operating on its own may be caused by several problems.
It goes partway down reverses direction and goes back up again.
The sooner you determine the cause the better.
It happens to almost everyone with an automatic garage door.
To troubleshoot the garage door opener button make sure it s clean and free of debris.
In order to prevent injury garage doors automatically reverse if they come into contact with an obstacle.
This brain can wear out in time so you could need a replacement.
When the logic board wears out it can cause your garage door to close then open and vice versa without explanation.
A garage door that spontaneously opens unfortunately leaves your home vulnerable to theft assorted critters and the elements.
If you think this may be the cause of your garage door not opening call a garage door technician to come and take a look at it.
You push the button to close the garage door.