I have a 2009 42ft Nimbus with active air. Coming home last weekend on smooth 4 lane highway the dash Level System Light comes on and the HWH control unit starts beeping. When I can stop, I have this warning on the control unit, "SYSTEM HAS BEEN RESET! SAVED SYSTEM STATUS HAS BEEN ERAESED! Pressed reset button and home buttom, auto leveled coach, continued home...