Automatic Garage Door Keeps Opening After Closing

You push the button to close the garage door.

Automatic garage door keeps opening after closing.

The button can easily get dirty and stuck in the pushed position. Your garage door s logic board is the brain of your garage door opener. This is almost always the result of a dirty or obstructed safety feature. Most garage door openers have an open and close limit control.

It goes partway down reverses direction and goes back up again. This is a safety feature that has been added to garage door openers to help prevent the door from closing on a car pet or even a child. Your garage door has set limit switches that instruct the motor when to stop running both when it is opening and when it is closing. In order to fix this you ll want to make small changes to the close limit setting until the door opener knows to stop once the door has reached the floor.

The close limit switch may need adjusting. This brain can wear out in time so you could need a replacement. The photo eyes send an infrared beam across the bottom of your garage door opening if that beam is broken the door will reverse. The symptom of this is a garage door that is in constant motion opening fully then immediately descending only to start the same cycle again.

When the logic board wears out it can cause your garage door to close then open and vice versa without explanation. Below are three reasons why your garage door opens on its own and some quick fixes you can try. If the garage door opens correctly but fails to close completely there may be one of three common causes. They are usually on the motor housing and you access them by opening a panel or removing the housing cover.

This will cause the door to open and close until the button becomes unstuck. Garage door won t close all the way. It all depends on the configuration but you likely have a button that activates the door operator. If the door stops short of closing lengthen the close limit by turning the control knob in the direction indicated usually counterclockwise.

There may also be loose wire connections inside the button housing itself. As these wires short against the housing the electrical impulse causes the door opener to activate. 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.