Trouble shooting hot pellets in air intake screen.

[castle newbie]

We have owned a harmon for some years and its been pretty good but we added a castle we bought on sale. Its more economical most of the time compared to the harmon. I went to hunting camp and the wife calls and says the stove is huffing and she noticed hot pellets laying in the air intake screen in the rear of the stove. . I instantly told her to shut it down as id imagine it could catch fire.

Im just getting home today any ideas what would cause it to get hot pellots in that area? I ve never had a issue with our harmon like this. I know the key is to keep it clean clean clean. Ill check it out when i get home just thought id possibly get some ideas as its cold here. Ive never owned a castle so im new to this model. Its nothing like my other stove.

 

[Ssyko]

Some way there were pellets under the burn pot that ignited thus probably disoriented the air flow through the pot causing the huffing/pulsing how they got to the rear of the intake was probably a result of the pulse.

 

[tbear853]

Which Harmon?

Is there a cold air inlet / pie that gets air from outside?
IF so , does it have a screen over its opening? .... and where is the inlet opening in relation to the stove flue exit / open end?
I'm wondering if there is any chance the air intake is pulling in the occasional exhaust that may have spit partial burns out?
Any winds? I know that some winds can blow inward into a flu that exits horizontally thus reducing combustion air pulled through the burn pot as the wind pressure fights the combustion fan, and the result is often unburned or incomplete burn of pellets.
I don't own a Harmon, but my stove has Harmon written all through it's guts.

 

[Washed-Up]

I don’t own a Harmon either but I own a “Harman” P61A and those are some odd symptoms