Recently my PBV4 started running hot and burning up the pellets. Fan won't stop on full blow and eventually it gets too hot and no smoke. Do I have a bad thermo sensor or computer? Anything I can do to get it to modulate again? Cleaned the temp sensor well inside but didn't seem to help. Its like a constant blow torch in the fire pot and has even started spreading fire into the auger tube. Thank you.
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