Inspect the control wiring.
My garage door opens with my neighbors.
My lift master garage door would just open up late at night an.
After 1993 liftmaster started using a rotating code with millions of possible programming combinations.
Scan the safety sensors.
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.
An exposed spot or a short circuit in the small gauge wire that leads from the garage.
According to a persistent urban legend a plane passing over your home can cause your garage door to open.
This is done with the help of sensors in the motor and on each side of the opening near the floor and mounted on the tracks.
If the frequency is the problem you re lucky you have an easy fix.
What to do when your garage door opens and closes by itself check with your neighbors.
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.
Electric garage doors make our everyday lives easier.
In garage door operators made after 1993 there are required safety features that open the door during the close cycle when they detect something blocking the door.
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.
If the new one opens his door and does not also open yours then remove the battery from his get a hammer and take turns smashing the old one offer said neighbor a beer and have one yourself for a job well done.
By sheer chance one of your neighbors may have a remote programmed with the same code.
Just reprogram your garage door s openers and it should be back to working order.