When does the garage door open or close by itself?
There are a couple of reasons a garage door opens and closes by itself. This phenomenon is usually called phantom operation. Considering the garage door has previously operated correctly, there are a couple of belongings you can check and possibly repair on your own. If you've got a newly installed door and are experiencing this problem, consult your garage installation manual and confirm you completed all of the steps correctly.
When the Garage Door Closes or Opens randomly