This problem only occurs in older garage door openers that were programmed using positioning clips.
Garage door opened by neighbor.
If your neighbors garage door remote is opening your garage door the first thing to do is reset the codes using the dip switches or learn button.
To troubleshoot the garage door opener button make sure it s clean and free of debris.
In rare instances a nearby neighbor may have a garage door opener set to the same wireless code as your opener.
If this does not fix the situation then you may need to replace the garage door opener or the circuit board to get to a different frequency.
There s a small chance a neighbor may be using the same garage door opener frequency or code.
It is quite easy to check just have your neighbor activate his or her garage door and see if your door begins to move.
The button can easily get dirty and stuck in the pushed position.
The signal transmitted to open your garage door travels on a specific frequency and uses a specific code to program.
According to a persistent urban legend a plane passing over your home can cause your garage door to open.
This is rare but it does occasionally happen.
Clean the button as well as the connections in the housing if this is the case.
Just reprogram your garage door s openers and it should be back to working order.
After 1993 liftmaster started using a rotating code with millions of possible programming combinations.
Electric garage doors make our everyday lives easier.
Richards says it s rare but in some instances a door will open and close by itself because someone else has your code or frequency.
Because two different garage doors can accidentally be programmed to the same channel your neighbors may be causing your garage door to open on its own.
When your neighbor uses their remote to open or close their door it may cause yours to open too.
This will cause the door to open and close until the button becomes unstuck.
By sheer chance one of your neighbors may have a remote programmed with the same code.