Ok, So I just took my Enviro Windsor stove outside to do a good cleaning prior to using it this season. As I disconnected it from the chimney I observed the first couple of feet of pipe was chock full of ash. Could this mean the exhaust motor is not keeping up? The stove burned about 1 ton since the last cleaning of the t-pipe coming out the back. Just wondering if someone could point me in the right direction ? or do I just have to the disassemble the pipe more often. I should note that the stove is vented through an existing fireplace. There is 3' of double wall 3" exhaust into 14' of ss 6" chimney liner to the roof. I