Be sure to double check if there is anything underneath the door if it continues to open back up after you close it.
How to fix a garage door that opens by itself.
Tap the screwdriver with the hammer until the pin pops up from the hinge and can be removed by hand.
It all depends on the configuration but you likely have a button that activates the door operator.
To troubleshoot the garage door opener button make sure it s clean and free of debris.
Check the remote opener.
When i say slight that means a barely noticeable bend.
Close the door and stand on the side where the hinges are visible.
Another easy way to fix a garage door that opens by itself is by checking the remote opener.
The easiest fix is to remove your middle hinge pin and put a slight bend in it.
Slide a shim between the jamb and the door on the opposite side of the hinges near the top.
The door operator button is similar to a door bell.
Remove the pin by placing a screwdriver under the middle hinge.
The button can easily get dirty and stuck in the pushed position.
If the remote opener is dirty or the batteries are failing it may cause the door to open on its own.
When the two sensor housings are out of alignment the beam is cut off which the door opener interprets as an object in the way of the door s descent.
If you suspect misaligned sensors may be the reason for your garage door opener that opens on its own you should have a garage door technician come out and take a look.
They can help you get everything back in place and ensure your garage door is working smoothly again.
Examine the garage door opener button.
We all have these kinds of doors you open it and it swings itself mostly shut.
As a result it automatically reopens the door.
Automatic garage door openers are prone to a variety of problems most of which are fairly easy to fix with routine troubleshooting and maintenance.
Realigning the beams will resolve the problem.