Hello all... for the past 2 weeks my stove has been acting weird. I set the thermostat at 55 when I go to work and when I come home the stove is still running on what appears to be 'maint mode' with a small fire and the distribution fan not blowing and the room thermostat I keep is showing the room is right at 70. I go to turn the stove off - and the distribution fan starts and the stove will stay on for hours. I gave it a good cleaning last weekend and it appeared to make a difference for a day or so but that's it, right back to acting goofy. I've let it sit for a few hours and it would work fine and then I"m right back in the goofyness. Any help would be appreciated.