Char-Griller Thermometer Calibration Difference

Lid thermometer reading does not match digital controller temperature

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Possible Causes

Lid thermometer placement higher in chamber, RTD probe near grate level, Inherent gauge inaccuracy

How to Fix / Troubleshooting

Safety first: Use heat-resistant gloves when touching the lid or probes during a cook.

  • Understand placement: Recognize that lid thermometers read air near the top, while the RTD probe reads near the side wall, often closer to grate level.
  • Verify with third probe: Use an independent digital thermometer at grate level to compare readings.
  • Trust controller: For most Char‑Griller pellet grills, the digital controller’s RTD reading is the primary control reference. Use it for setting cook temperatures.
  • Replace faulty gauge: If the lid thermometer is wildly inaccurate, replace it if desired, but it does not affect grill control.
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Repair Difficulty

Very Easy 1/5

Required Part

Lid Thermometer
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