Your garage door most likely uses two sensors to trigger its reverse mechanism.
Garage door randomly opens and closes.
It can seem quite ghostly having your garage door operate with a mind of its own.
Here are a few scenarios we ve come across.
A garage door that closes on its own can also be a safety concern especially in a home with children.
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.
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.
Garage doors use radio frequencies to open and close.
It all depends on the configuration but you likely have a button that activates the door operator.
To troubleshoot the garage door opener button make sure it s clean and free of debris.
This will cause the door to open and close until the button becomes unstuck.
The door operator button is similar to a door bell.
If you clear all debris and any buildup from the sensors near the floor of your garage door tracks but the motion of your garage door tends to be partially closing and then reversing and opening again you may have a misaligned sensor.
The first is photoelectric and the second is mechanical.
It can also be a security problem when it opens to expose your belongings when you aren t home.
Erase all codes in your remote and then reprogram it.
The button can easily get dirty and stuck in the pushed position.
Residential electric garage door openers manufactured after 1993 are equipped with two safety mechanisms that operate while the door is closing.
Below are three reasons why your garage door opens on its own and some quick fixes you can try.