Michael, I really feel bad for you. It sounds to me as if the firmware upgrade has caused an issue or exacerbated a problem. Can you revert to your previous firmware?
Maybe my luck has changed..... I unplugged the unit for a couple minutes, plugged it back in, and then started it. Now n0 error code, and it's still running (two hours). Maybe it was the firmware upgrade? I'll watch it for a few days.
Randy - thanks for the ARC tips. I will be messing around in the "advanced" menu after I get to know the machine a little better. I just ran the Genisis auto function yesterday.