Garage Door Reopens When Closing

Scan the safety sensors.

Garage door reopens when closing. 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. They are usually on the motor housing and you access them by opening a panel or removing the housing cover. But changes in weather conditions can causes your garage door components to shift or contract. These garage doors have sensors near the ground to ensure nothing gets stuck underneath the door when it closes.

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. If it closes before that distance has been traveled it thinks something is wrong and it reopens to help prevent any damage or safety risk. This is almost always the result of a dirty. It goes partway down reverses direction and goes back up again.

Even a very small item can set off a sensor so give the area a thorough comb over and make sure there s absolutely nothing out of place. 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. Most garage door openers have an open and close limit control. By wade shaddy updated december 19 2018 you push the button to close the garage door.

If the door stops short of closing lengthen the close limit by turning the control knob in the direction indicated usually counterclockwise. If the door goes up seemingly on its own after you close the door be sure to check for any debris the sensor is picking up. There may also be loose wire connections inside the button housing itself. If the garage door does not close completely or begins to close and then opens back up again the down limit switch needs.

Your garage door is programmed to travel a certain distance before it closes. As these wires short against the housing the electrical impulse causes the door opener to activate. Check the track and tension spring.