Garage Door Opener Reopens After Closing
The button can easily get dirty and stuck in the pushed position.
Garage door opener reopens after closing. An exposed spot or a short circuit in the small gauge wire that leads from the garage door opener s motor unit to the control button on the wall may well cause your garage door to operate all on its own. Replace broken chain belts sprockets or pulleys. 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 or obstructed safety feature.
This will cause the door to open and close until the button becomes unstuck. Check to make sure the pulley is not boken. You push the button to close the garage door. It goes partway down reverses direction and goes back up again.
Opener runs but the garage door does not move screw drive models make sure the carriage is engaged. Check to make sure the chain belt assembly is not broken or off its pulley. To troubleshoot the garage door opener button make sure it s clean and free of debris. If not re engage it.
Your garage door is programmed to travel a certain distance before it closes. This is a built in safety feature that is there in the event that something or someone gets in the way of the closing door. 6 turn the up limit switch screw clockwise by one turn for every 3 inches that you need the garage door to raise up with a flat blade screwdriver. Close the garage door with the opener and watch it closely as it closes.
But changes in weather conditions can causes your garage door components to shift or contract. If the door stops short of closing lengthen the close limit by turning the control knob in the direction indicated usually counterclockwise. Set the step ladder under the garage door opener in your garage and use it to access the up and down limit switch adjustment screws located on the side of the garage door opener motor housing. Most garage door openers have an open and close limit control.
Clean the button as well as the connections in the housing if this is the case.