My Craftsman Garage Door Opener Opens On Its Own

The first is photoelectric and the second is mechanical.

My craftsman garage door opener opens on its own.

Erase all codes in your remote and then reprogram it. The most common scenario is a misalignment of the photoelectric reversal system. Residential electric garage door openers manufactured after 1993 are equipped with two safety mechanisms that operate while the door is closing. These are the most common reasons for short range.

Newer openers operate on rolling codes making it almost impossible for this to happen. Opens and closes by itself when your garage door opens or closes when you haven t triggered the remote one possible cause is that a neighbor s remote was programmed at the same time as yours. Whether you re using the passcode entry the buttons inside the garage or your remote opener the openers and the garage door itself must be on the same frequency. An exposed spot or a short circuit in the small gauge wire that leads from the garage door opener s motor unit to the control button on the wall may well cause your garage door to operate all on its own.

Garage doors use radio frequencies to open and close. Garage door openers operate on one of many frequencies and while it is possible for one of your neighbors remotes to open your garage door it is highly unlikely. A garage door that randomly opens by itself is not a common problem but does occur from time to time.