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.
Garage door keeps opening after i close it.
An exposed spot or a short circuit in the small gauge wire that leads from the garage.
A force sensitive switch that detects if the motor torque is excessive typically tripped by incorrect adjustment or by leaving a solid object in the way of the descending door a car for instance.
When that occurs even though the door hits the ground it doesn t register that it s closed because it hasn t reached that limit and it will trigger the door to keep moving.
Inspect the control wiring.
Your logic board needs replaced.
When the logic board wears out it can cause your garage door to close then open and vice versa without explanation.
In rare instances a nearby neighbor may have a garage door opener set to the same wireless.
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.
The garage door will close completely and then continue moving in the reverse direction leaving you with a partially open garage door.
Garage doors use radio frequencies to open and close.
Get logic board replacement.
My garage door has two sensors either of which can cause the door to open immediately after apparently closing.
Below are three reasons why your garage door opens on its own and some quick fixes you can try.
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.
This brain can wear out in time so you could need a replacement.