Low Temp
Green Mountain Grills Low Temperature / Failure to Maintain Heat

Display shows 'Low Temp' or 'Lr' style warning and grill shuts down below target temperature.

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Possible Causes

Insufficient pellet feed, Wet or poor-quality pellets, Combustion fan not running at full speed, Excessive heat loss due to open lid or wind

How to Fix / Troubleshooting

Safety first: Turn the grill off and allow it to cool before internal cleaning.

  • Check pellets: Ensure the hopper is full of dry, high-quality pellets. Replace any pellets that are swollen or crumbly.
  • Clean firepot: Remove ash and clinkers from the firepot to ensure proper combustion.
  • Inspect combustion fan: Confirm the fan runs strongly during operation. Clean the fan blades and housing if dirty.
  • Check for air leaks: Inspect the lid gasket and body seams. Excessive leaks can cause heat loss. Adjust lid alignment if needed.
  • Shield from wind: Use a windbreak or GMG thermal blanket in cold/windy conditions to help maintain temperature.
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Repair Difficulty

Easy 2/5

Required Part

Combustion Fan
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