Realigning the beams will resolve the problem.
How to fix a garage door that opens by itself.
But one of the more perplexing issues is when the door goes up and down by itself with no help from you.
It can seem quite ghostly having your garage door operate with a mind of its own.
To troubleshoot the garage door opener button make sure it s clean and free of debris.
Automatic garage door openers are prone to a variety of problems most of which are fairly easy to fix with routine troubleshooting and maintenance.
Check the remote opener.
They can help you get everything back in place and ensure your garage door is working smoothly again.
If the remote opener is dirty or the batteries are failing it may cause the door to open on its own.
Tap the screwdriver with the hammer until the pin pops up from the hinge and can be removed by hand.
When i say slight that means a barely noticeable bend.
Be sure to double check if there is anything underneath the door if it continues to open back up after you close it.
It all depends on the configuration but you likely have a button that activates the door operator.
The easiest fix is to remove your middle hinge pin and put a slight bend in it.
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.
Or you close it to within an inch of the frame and it swings itself open.
We all have these kinds of doors you open it and it swings itself mostly shut.
Another easy way to fix a garage door that opens by itself is by checking the remote opener.
As a result it automatically reopens the door.
Slide a shim between the jamb and the door on the opposite side of the hinges near the top.
Remove the pin by placing a screwdriver under the middle hinge.
The button can easily get dirty and stuck in the pushed position.