My Garage Door Randomly Opened

Your garage door most likely uses two sensors to trigger its reverse mechanism.

My garage door randomly opened.

The first is photoelectric and the second is mechanical. Yes it s possible although rare for your garage door to open by itself. Garage doors use radio frequencies to open and close. Here are a few scenarios we ve come across.

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. Samy kamkar created a device called opensesame using an old mattel toy. This device can try every possible combination for the fixed code openers in seconds. Below are three reasons why your garage door opens on its own and some quick fixes you can try.

An exposed spot or a short circuit in the small gauge wire that leads from the garage. There are a few unusual factors that can cause your door open by itself. Once it locates the code the user is able to open your garage door. 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.

Inspect the control wiring. 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. 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. In rare instances a nearby neighbor may have a garage door opener set to the same wireless.

Scan the safety sensors.