TROUBLE SHOOTING
iDisconnect the power supply before performing any maintenance! NOTE: Turning the heater to “OFF” does not disconnect the power to all of the electrical components of the heater.
iNever try to repair or replace any part of the heater unless instructions for doing so are given in this manual. All other work should be done by a trained technician.
PROBLEM | CAUSE: Too rich air/fuel mixture | |
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Orange, lazy flame, excessive fuel | • Clean out the burnpot | |
the burnpot. | • Make sure the cleanouts on each side of the damper are closed completely. | |
| • Not enough combustion air. Adjust the air damper to a more open position. | |
| • Make sure that the viewing door is closed and sealed properly. If not, adjust the door catch or | |
| replace the gasket. | |
| • Check that all outside connections are clear of any obstructions. | |
| • Check the exhaust system, clean as needed. | |
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PROBLEM | Cause: Burnpot out of fuel | |
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Fire goes out or heater shuts down | • Hopper is empty, refill the hopper | |
| • Loss of draft pressure. Make sure the viewing door is closed and sealed properly. Check the | |
| outside connections for any obstructions. Check the exhaust system; clean as needed. | |
| • Check that the pressure switch connection to the firebox is free of ashes or clear of any ob- | |
| structions. | |
| • Auger system may be jammed or there is a “bridging” of fuel in the hopper preventing fuel flow | |
| into the auger feed system. | |
| • Too much combustion air. Adjust damper to a more closed position. | |
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PROBLEM | Cause: | |
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Heater does not start a fire when the “ON” but- | • Check the pellets quality. If moist or damp, replace with dryer fuel. | |
ton is pressed. | • Check that the | |
| behind the burnpot.) | |
| • The | |
| then it may need to be replaced or there is a problem with the electrical system. Check wiring. | |
| • Loss of draft pressure. Make sure the viewing door is closed and sealed properly. Check the | |
| outside connections for any obstructions. Check the exhaust system; clean as needed. | |
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PROBLEM | Cause: Not enough combustion air or fuel has too much moisture. | |
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Viewing glass becomes black shortly after start- | • Adjust the air damper to a more open position. | |
up. | • Use a fuel with less moisture content. | |
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PROBLEM | Cause: Not enough combustion air or fuel has too much moisture. | |
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“Black Popcorn” is present in the burn chamber. | • Not enough combustion air. Adjust the air damper to a more open position. | |
| • Check moisture content in corn. Use corn with a moisture content of | |
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PROBLEM | Cause: Corn is wet or has a high moisture content. | |
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Corn builds up in burnpot or is not burning | • Not enough combustion air. Adjust the air damper to a more open position. | |
completely. Steam is coming from corn. | • Check moisture content in corn. Use corn with a moisture content of | |
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PROBLEM | Cause: Chemical reaction between the starches in corn and the heat. | |
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“Clinkers” form in burnpot and on agitator. | • Adjust air mixture. | |
| • Add calcium carbonate (aka chicken scratch or oyster shell) | |
| • Try running a mixture of wood pellets and corn. | |
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24 | USSC |