Doors – Why does the remote control garage door opener not work when garage door is closed

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Why does my remote control garage door opener not work when garage door is closed. It works fine when door is open but once the door is closed, it will not work. Have reprogrammed same but still does not work. Works if I am inside the garage or if door is open but once I am outside with the door closed, it will not open. New batteries were also purchased and installed in remote.

Best Answer

I find that stucco homes have this problem because of the metal mesh in the walls act like a faraday cage. You may be able to extend the antenna to the exterior of the garage and it will work better.