Monument Grills Insufficient Heat Output

Grill struggles to reach high temperatures (e.g., cannot exceed 350°F)

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Possible Causes

Restricted airflow from dirty firepot, Weak combustion fan, Low‑BTU or poor quality pellets, Lid or body heat loss due to warped panels

How to Fix / Troubleshooting

Safety first: Allow the grill to cool before cleaning or adjusting components.

  • Step 1 – Clean firepot and burn area: Remove grates and drip tray. Vacuum ash from the firepot and surrounding cavity.
  • Step 2 – Check fan and vents: Ensure the combustion fan runs strongly and that air inlets and exhaust are not blocked.
  • Step 3 – Use quality pellets: Switch to a reputable hardwood pellet brand and ensure pellets are dry.
  • Step 4 – Inspect lid and body: Look for warping or gaps that allow excessive heat loss. Adjust hinges or replace gaskets if needed.
  • Step 5 – Test at MAX setting: Run the grill at its highest setting with an oven thermometer inside. If temperatures remain low despite good airflow and pellets, the control board or fan may be under‑driving combustion and may need replacement.
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Repair Difficulty

Easy 2/5

Required Part

Combustion Fan Motor
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