I have 2 Craftsman garage door openers. Yesterday my neighbors remote started opening 1 of my doors. Neither his nor my units are new and neither of us changed anything (no code resets,etc.). My remote open his now. My remote opens only one of my doors but not the other. I reset the key pads. One keypad opens both mine and neighbors. My other keypad opens the wrong door (of my two). This all started 2 days ago. Nothing is blocking the sensors...we have held down the green reset buttons on the units and reset our codes to the keypads...no change. Any ideas?