I have an EFM DF 520 that has worked great for years. I got 5 tons of rice coal on August 31. It is in a coal bin with and auger feed. Since I got the coal, I cannot keep the fire lit. The furnace and chimney are clean and I have tried all sorts of settings for the timer, coal feed rate and air settings. I start a new fire, it catches and burns quickly. Within two hours, the fire is out. I never had this problem before. There seems to be a lot of dirt in the coal. Any suggestions?
Last edited by CoalHeat
on Sat Sep 24, 2011 10:11 pm, edited 1 time in total. Reason: Moved to the "EFM" heading.