I have posted above blowing a surge protector in the entertainment center area before. It happened again today, just now and killed the AC power to the coach. 12 V power was still working. I have a Progressive Dynamics Surge Protector hard wired in the power bay. It showed no errors and a constant 117-118 volts on both 110v legs. I have a kill-a-watt. I was able to flip the breaker off at the source pedestal and flip it back on and get power back in the coach for a few minutes. The kill-a-watt showed 135-140 volts at every outlet. Then everything went out again. No breakers are throwing. I fired up the generator and have 116 volts at every outlet and things are fine running that way. Something in my coach is spiking the voltage. What could it be? It seems to me it could be the inverter? Is there some way to bypass it until I can get this sorted out. We are full time and in South Florida so we need the AC practically 24 hours a day. When this happens the Heart Interface Inverter Panel inside goes black. But I still have 12V power. When running from AC I can hear the Inverter kicking in and out. And its pumping tons of amps for a few seconds then less... back and forth.. My batteries are good. Sorry for the long post, but I am at my wits end trying to figure this out.