Garage Door Opens As Soon As It Closes
The solution is usually one or more of the following.
Garage door opens as soon as it closes. 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 s logic board is the brain of your garage door opener. When the logic board wears out it can cause your garage door to close then open and vice versa without explanation.
Close the garage door with the opener and watch it closely as it closes. They are misaligned this is the most likely problem and the most common issue with garage door openers. This brain can wear out in time so you could need a replacement.
The sensors are dirty wipe lenses with a clean soft cloth. As these wires short against the housing the electrical impulse causes the door opener to activate. There may also be loose wire connections inside the button housing itself.
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 your garage door is closing fully and then reversing to open again then it may be due to a problem with the close limit switch.