Wall Control box just stops.. goes blank just as the stove gets cranking... about 5 minutes after blower comes on. I just installed a new control board and same thing happens. Checked / cleaned all the connections and look ok. I'm thinking it's not the wall control but something in the stove itself. Very annoying as when it stops.. room fills up with smoke. I've had this stove for 4 years now and have come to learn that pellet stoves work great... until they don't....