I went out to the coach where it is plugged into the 50 amp shore power. First thing I noticed was that the lights are dim. I saw the meter is showing 126 volts, but all lights are out on the inverter panel. The LP gas detector is beeping, signifying no 12 volt power. <br/><br/>I verified that the inverter is switched "on". I tried all three reset buttons. I went back...