I have a Vermont Castings Dauntless stove with 6 in pipe from the stove to ceiling and then 8 in stainless steel pipe from there going 7 ft. above the peak of the roof. I can't get a fire started, unless I am using fire starting logs and even then the wood doesn't seem to want to burn. I have good wood and there does not seem to be a problem with the draft. when the starter log runs out the wood goes out, even when the I get the wood to burn it goes out. i have tried several kinds of wood so I know it is not that. what could be ther problem? help!