My Garage Door Randomly Opened

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.
My garage door randomly opened. Scan the safety sensors. There are a few unusual factors that can cause your door open by itself. 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 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.
An exposed spot or a short circuit in the small gauge wire that leads from the garage. Here are a few scenarios we ve come across. Yes it s possible although rare for your garage door to open by itself. Garage door openers that use an insecure fixed code can be easily hacked and opened.
Samy kamkar created a device called opensesame using an old mattel toy. Residential electric garage door openers manufactured after 1993 are equipped with two safety mechanisms that operate while the door is closing. The first is photoelectric and the second is mechanical. Once it locates the code the user is able to open your garage door.
Garage doors use radio frequencies to open and close. This device can try every possible combination for the fixed code openers in seconds. Your garage door most likely uses two sensors to trigger its reverse mechanism. 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.
Below are three reasons why your garage door opens on its own and some quick fixes you can try.