Thermomix Overheating / Temperature Overshoot

Thermomix overheats food quickly, burning the bottom even at moderate temperature settings.

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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

Temperature sensor out of calibration, Sensor not properly contacting heater block, Heater control circuit not modulating correctly, Firmware or control algorithm issue

How to Fix / Troubleshooting

Safety first: Unplug and allow the unit to cool before further use.

  • Stirring and load: Ensure recipes are followed with correct quantities and stirring speeds to distribute heat evenly.
  • Test with water: Heat water to a moderate temperature (e.g., 60–70°C) and check with an external thermometer to see if the actual temperature matches the set value.
  • Clean contact surfaces: Clean the bowl bottom and base contact area to ensure accurate temperature sensing.
  • Service if confirmed: If the measured temperature significantly exceeds the set temperature, the sensor or control board is likely faulty and should be replaced by a technician.
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Repair Difficulty

Medium 3/5

Required Part

Bowl Base Temperature Sensor (NTC)
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