I have a new this season Harman XXV that runs set at Room Temp-68 deg. Pellet Feed Rate-4. I have had this issue the last few times I've turned the stove off to be cleaned, and I'm not sure if it's something that I'm doing. So I'm sure this forum will lend some feedback. I turn the Room Temp/Stove Temp knob on the control panel to off. I then wait for the combustion fan to stop (usually 1+hour). I clean/scrape/vacuum. When I turn the knob back to Room Temp, the combustion fan comes on and stays on (last time I let it run for 4+hours with nothing happening) and the ignitor or ignitor indicator LED on the control panel never comes on. I can move all the knobs, but the only two ways I can get the ignitor to come on is to turn the knob to stove temp until it lights, then switch back to room temp or unplug the stove and "reboot" the control panel. I'm sure this isn't normal and I don't want to waste a service call if this is something one of you has experience with. Thanks!