US Stove Auger Feed System Failure

Furnace powers up but will not feed pellets/coal; auger never turns.

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Safety Warning

This repair may involve working with high voltage components or water connections. Always unplug the appliance before removing any panels.

If you are not confident in your ability to perform this repair safely, we strongly recommend contacting a professional technician.

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Possible Causes

Failed auger motor, Open high limit or vacuum switch preventing feed, Broken auger coupling or shear pin, Faulty control board auger output

How to Fix / Troubleshooting

Safety first: Turn off and unplug the furnace before touching the auger or wiring.

Steps:

  • 1. Check for active safety trips: Verify that high limit, low limit, and vacuum switches are not tripped (no related error codes). Ensure doors are closed and venting is clear.
  • 2. Listen for auger attempts: During startup, listen for the auger motor. If it hums but does not turn, there may be a jam or failed motor.
  • 3. Inspect auger coupling: Access the auger motor and check the coupling or shear pin between the motor and auger shaft. Replace broken pins or couplers with the correct US Stove parts.
  • 4. Test auger motor: With the motor removed, have a qualified person apply power to see if it runs. If it does not, replace the auger motor.
  • 5. Control board output: If the motor is good but never receives power, the control board auger output may be defective. This requires board diagnosis and likely replacement by a technician.
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Repair Difficulty

Hard 4/5

Required Part

Auger Motor or Auger Coupling
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