Broil King Crown Pellet Backburn Through Auger Tube

Pellets back-burn into the hopper; smoke or smoldering pellets visible in hopper.

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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

Excessive fire pot burn-back due to strong draft, Auger tube packed with pellets and fines, Combustion fan not running properly, Grill shut down incorrectly leaving embers near auger

How to Fix / Troubleshooting

Safety first: Immediately unplug the grill. Keep the hopper lid closed to limit oxygen. Have a fire extinguisher ready. Do not use water.

  • Monitor hopper: If smoke is light and decreasing, allow pellets to burn out while monitoring closely. If flames appear, use a fire extinguisher.
  • After cool-down: Remove all pellets from the hopper and auger tube. Vacuum out fines and ash.
  • Inspect auger tube: Remove the auger and clean the tube thoroughly to remove compacted pellets and dust.
  • Check combustion fan: Ensure the fan is operating correctly and that exhaust is not blocked.
  • Follow proper shutdown: Always use the controller’s shutdown cycle so the grill can burn off remaining pellets safely.
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Repair Difficulty

Hard 4/5

Required Part

Auger Assembly
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