
Almost got her tamed... almost.
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- New Member
- Posts: 6
- Joined: Wed. Feb. 19, 2025 6:17 pm
- Hot Air Coal Stoker Stove: Combustioneer 77L9
Well, we completely cleaned out the firebox, and the chimney. inspected anything we could see....... put it all back together and lit it back up and it's working fine. so I dunno WHAT it was doing earlier, but it's working now. Thanks for your help 

- carlherrnstein
- Member
- Posts: 1587
- Joined: Tue. Feb. 07, 2012 8:49 am
- Hot Air Coal Stoker Stove: combustioneer model 77B
- Coal Size/Type: pea stoker/Ohio bituminous
I'v got a theory, there's an over temp switch that has points that open if the heat exchanger gets too hot. When they open they can spark a tiny bit if the stoker motor is running. This switch is screwed to the exchanger and is visible through the loovers above the fire door. If it shuts off the stoker then it's HOT an could very easily cause odd smells.CowgirlMama wrote: ↑Wed. Feb. 19, 2025 9:49 pm Well, we completely cleaned out the firebox, and the chimney. inspected anything we could see....... put it all back together and lit it back up and it's working fine. so I dunno WHAT it was doing earlier, but it's working now. Thanks for your help![]()
This doesn't explain smoke though, smoke is highly concerning. I have had very small amounts of smoke back up an out the combustion air intake, I also had a hole wear through the hopper and had smoke and coal coming out in the stoker cabinet. Be safe and stay warm.
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- New Member
- Posts: 6
- Joined: Wed. Feb. 19, 2025 6:17 pm
- Hot Air Coal Stoker Stove: Combustioneer 77L9
That makes so much sense! It was COLD here in SE Montana, and the stove was running pretty much constantly.carlherrnstein wrote: ↑Wed. Feb. 19, 2025 11:27 pm I'v got a theory, there's an over temp switch that has points that open if the heat exchanger gets too hot. When they open they can spark a tiny bit if the stoker motor is running. This switch is screwed to the exchanger and is visible through the loovers above the fire door. If it shuts off the stoker then it's HOT an could very easily cause odd smells.
This doesn't explain smoke though, smoke is highly concerning. I have had very small amounts of smoke back up an out the combustion air intake, I also had a hole wear through the hopper and had smoke and coal coming out in the stoker cabinet. Be safe and stay warm.
I have a theory that might explain the smoke. When we cleaned out the stove, My husband noticed a damp spot just inside the outer door - right next to where I saw the smoke. Our stove is right next to the table and I have young children. My theory is that someone spilled a drink on the stove, and never owned up to it *facepalm* between your theory and mine, I think we got it figured out haha. Thanks again!
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- Member
- Posts: 5877
- Joined: Fri. Aug. 16, 2019 3:02 pm
- Hand Fed Coal Stove: Harmon Mark II
- Hand Fed Coal Furnace: Looking
- Baseburners & Antiques: Looking
- Coal Size/Type: Nut
- Other Heating: newmac wood/coal combo furnace
No! They would never!CowgirlMama wrote: ↑Fri. Feb. 21, 2025 2:09 pm That makes so much sense! It was COLD here in SE Montana, and the stove was running pretty much constantly.
I have a theory that might explain the smoke. When we cleaned out the stove, My husband noticed a damp spot just inside the outer door - right next to where I saw the smoke. Our stove is right next to the table and I have young children. My theory is that someone spilled a drink on the stove, and never owned up to it *facepalm* between your theory and mine, I think we got it figured out haha. Thanks again!

Kinda like the time I dug a PBJ sammich out of the VCR.