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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
Jammed Button of the Remote
Sometimes buttons of the remote opener can stick, causing trouble to the garage door opener. It’s not going to be obvious the button is stuck either. You can try to remove the batteries from the remote and re-installing the batteries. If a button is stuck, it can easily be repaired or replaced at a comparatively low cost.
Inoperative Circuit Board
If the door is opening or closing randomly, particularly if the opener is an older model, it might be malfunctioning circuitry. This problem isn't actually uncommon. Generally, the opener will flash a mistake code via the controller’s list bulb, which you'll search to work out the cause.
Proximate Garage Door
While it doesn’t often happen with modern garage door openers, it's possible that one among your neighbors features a garage door whose programming has inadvertently overlapped with yours. If you think this you'll reset and reprogram your opener, then clearing the memory and employing a new program will generally be the lookout for this issue.
Hacked Application
If you've got a smartphone application that controls your garage doors, it’s possible someone has gained access thereto by guessing or otherwise cracking your login. Try out resetting your login to have a secure password and username.
Control Button Wiring
If you find that your garage door opens by itself and won’t close and in such a case another possibility for such type of random cases is that the wiring at the control button on the wall. It’s an honest idea to disconnect power to the opener before checking the wire connections.
Safety Sensors
If you shut the garage door, but it can’t copy at some point, then before completely closing, the security sensor could be the matter. If nothing is within the path of the sensor’s lenses, be assured they're clean and properly aligned. Sometimes a small misalignment, dirt on the lens, or a sensor bracket that is loose and can make the sensor to believe something has broken inside the beam of the sensor. Just be sure that everything is tight, lined up, and clean.
Sensor Wiring
If that doesn’t solve the matter, it might be the wiring between the sensors and, therefore, the opener. Power down the opener and confirm the wires are connected securely and there's no exposed wire that would inherit contact with other objects.
Garage door opens and closes by itself is definitely a strong issue for your place. If you are not an experienced person in these sorts of cases, don’t neglect the issues for a longer time. Make sure to fix you garage door as soon as possible with the help of experienced garage door professionals.