Thermomix Lid Seal Leakage / Overpressure at Lid

Steam or liquid escapes around the lid during cooking, sometimes splattering onto the base.

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Possible Causes

Worn or damaged silicone lid gasket, Lid not properly seated or locked, Overfilled bowl exceeding maximum volume, Very vigorous boiling or thick foaming mixtures

How to Fix / Troubleshooting

Safety first: Use oven mitts when handling a hot bowl or lid. Steam can cause burns.

  • Check fill level: Ensure the bowl contents do not exceed the maximum fill line, especially for soups and foaming liquids.
  • Inspect lid gasket: Remove the silicone gasket from the lid and check for cracks, deformation, or food buildup. Clean thoroughly and reinstall, ensuring it is fully seated in its groove.
  • Proper lid locking: Make sure the lid is correctly positioned and fully locked before starting a program.
  • Replace gasket: If leakage persists, replace the lid gasket with a genuine Thermomix part.
  • Dry the base: Wipe any spilled liquid from the base immediately to prevent it from entering the electronics.
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Repair Difficulty

Very Easy 1/5

Required Part

Lid Gasket / Silicone Seal
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