The coal fire went out again tonight. So I turned it to oil until I had time to restart the coal again, but I can't run on oil since inside the house really smells like exhaust. I'll have to get someone to check it out. The CO2 detector did not go off so assume its fine. I tried to restart the coal, and the auger was stuck. I moved the coal bin a bit and spun the auger by hand, and its seems to be freed up now. Maybe there is something clogging the auger. I'll let it run empty, and check it out tomorrow.