Thermomix
Thermomix Multicookers Error Codes
Complete list of fault codes and troubleshooting guides. Use the search below to find your specific error.
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C0
Thermomix does not start a cooking program and displays C0 shortly after power‑on or when trying to heat.
Main Temperature Sensor (NTC) Fault
C1
Thermomix displays C1 and refuses to start heating or cooking functions.
Secondary Temperature Sensor / Overheat Sensor Fault
C10
C10 error is displayed and the Thermomix refuses to start any program involving the lid or measuring cup.
Lid Detection / Safety Interlock Fault
C11
C11 error appears when trying to start the motor, often after the bowl has been removed and reinserted.
Bowl Presence / Lock Detection Fault
C12
C12 error is displayed when trying to use the integrated scale; weight readings may be unstable or frozen.
Scale Calibration / Range Error
C13
C13 error appears during high-speed operation, and the motor stops unexpectedly.
Motor Overcurrent / Overload Protection
C14
C14 error is displayed and the Thermomix refuses to start any program involving heating or motor operation.
General Safety Interlock / System Protection Error
C15
C15 error appears when trying to start a heating program; motor may still run without heat.
Heater Overcurrent / Short Detection
C16
C16 error is displayed and the Thermomix may shut down or reboot unexpectedly during use.
Internal Power Supply Fault
C17
C17 error appears when trying to start a guided recipe or when connecting to Cookidoo/cloud services.
Communication / Connectivity Module Fault
C18
C18 error is displayed and the touchscreen or control knob becomes unresponsive or erratic.
User Interface / Touch Panel Fault
C19
C19 error appears when trying to start a program that uses the integrated timer or when resuming after a pause.
Internal Real-Time Clock / Timer Fault
C2
C2 error appears when trying to start a cooking program, often accompanied by no heating.
Heater Circuit Open or Short
C20
C20 error is displayed and the Thermomix may shut down or freeze during operation.
Internal Overtemperature of Electronics
C3
Thermomix shows C3 and stops heating during a recipe, sometimes after a few minutes of operation.
Temperature Measurement Range/Calibration Error
C4
C4 error appears and the Thermomix stops heating; motor functions may still work.
Overtemperature Protection Triggered
C5
C5 error appears when trying to start or during heating, and the appliance stops the program.
Heater Control Circuit Fault
C6
C6 error is displayed and the Thermomix will not start the motor or heating.
Internal Electronics Self-Test Failure
C7
C7 error appears when trying to start the motor or during speed changes.
Motor Tachometer / Speed Feedback Fault
C8
C8 error is displayed and the motor will not run, even though the display and buttons work.
Motor Power Stage Fault
C9
C9 error appears when trying to start a program that uses the scale or when placing items on the lid.
Internal Scale Sensor Fault
Symptom
Buttons or touchscreen areas do not respond, or respond intermittently, without an error code.
User Interface Contact Failure
Symptom
Condensation or water droplets appear inside the display or control panel area.
Moisture Ingress into Control Panel
Symptom
Guided recipes or timers freeze, skip steps, or the display lags significantly during operation.
System Performance / Firmware Instability
Symptom
Integrated scale gives inconsistent or obviously incorrect weight readings without showing an error code.
Scale Drift / Mechanical Binding
Symptom
Lid locking arms do not move or fail to lock/unlock the lid properly.
Lid Lock Mechanism Failure
Symptom
Loud grinding or rattling noise from the bowl area during mixing or chopping.
Blade Bearing Wear or Blade Imbalance
Symptom
Motor runs but struggles, stalls, or runs at inconsistent speed even with light loads.
Weak Motor / Speed Control Instability
Symptom
Programs that require heating take much longer than expected to reach temperature, or never reach set temperature.
Reduced Heating Performance
Symptom
Steam or liquid escapes around the lid during cooking, sometimes splattering onto the base.
Lid Seal Leakage / Overpressure at Lid
Symptom
Thermomix base becomes unusually hot to the touch on the underside or sides during normal operation.
Excessive Internal Heat Build-Up
Symptom
Thermomix bowl leaks liquid from the bottom onto the base during or after cooking.
Bowl Shaft Seal / Bearing Housing Leak
Symptom
Thermomix does not power on at all; display remains dark and no lights are visible.
No Power / Dead Appliance
Symptom
Thermomix emits a burning smell during operation, with or without visible smoke.
Overheating Component or Electrical Insulation Breakdown
Symptom
Thermomix motor does not start when pressing start, but the display and timer work normally.
Motor Not Running / Drive Failure
Symptom
Thermomix overheats food quickly, burning the bottom even at moderate temperature settings.
Overheating / Temperature Overshoot
Symptom
Thermomix powers on but shuts off unexpectedly during cooking or mixing.
Intermittent Power Loss / Thermal Cutout
Symptom
Thermomix produces a high-pitched whine or squeal from the motor area during operation.
Motor or Fan Bearing Noise
Symptom
Thermomix trips the household circuit breaker or RCD when plugged in or when starting a program.
Electrical Short or Earth Leakage
Symptom
Thermomix vibrates excessively or "walks" on the countertop during high-speed operation.
Imbalance or Worn Motor Mounts
| Error Code | Symptom | Fault Type | Guide |
|---|---|---|---|
| C0 |
Thermomix does not start a cooking program and displays C0 shortly after power‑on or when trying to heat.
|
Main Temperature Sensor (NTC) Fault | View Details |
| C1 |
Thermomix displays C1 and refuses to start heating or cooking functions.
|
Secondary Temperature Sensor / Overheat Sensor Fault | View Details |
| C10 |
C10 error is displayed and the Thermomix refuses to start any program involving the lid or measuring cup.
|
Lid Detection / Safety Interlock Fault | View Details |
| C11 |
C11 error appears when trying to start the motor, often after the bowl has been removed and reinserted.
|
Bowl Presence / Lock Detection Fault | View Details |
| C12 |
C12 error is displayed when trying to use the integrated scale; weight readings may be unstable or frozen.
|
Scale Calibration / Range Error | View Details |
| C13 |
C13 error appears during high-speed operation, and the motor stops unexpectedly.
|
Motor Overcurrent / Overload Protection | View Details |
| C14 |
C14 error is displayed and the Thermomix refuses to start any program involving heating or motor operation.
|
General Safety Interlock / System Protection Error | View Details |
| C15 |
C15 error appears when trying to start a heating program; motor may still run without heat.
|
Heater Overcurrent / Short Detection | View Details |
| C16 |
C16 error is displayed and the Thermomix may shut down or reboot unexpectedly during use.
|
Internal Power Supply Fault | View Details |
| C17 |
C17 error appears when trying to start a guided recipe or when connecting to Cookidoo/cloud services.
|
Communication / Connectivity Module Fault | View Details |
| C18 |
C18 error is displayed and the touchscreen or control knob becomes unresponsive or erratic.
|
User Interface / Touch Panel Fault | View Details |
| C19 |
C19 error appears when trying to start a program that uses the integrated timer or when resuming after a pause.
|
Internal Real-Time Clock / Timer Fault | View Details |
| C2 |
C2 error appears when trying to start a cooking program, often accompanied by no heating.
|
Heater Circuit Open or Short | View Details |
| C20 |
C20 error is displayed and the Thermomix may shut down or freeze during operation.
|
Internal Overtemperature of Electronics | View Details |
| C3 |
Thermomix shows C3 and stops heating during a recipe, sometimes after a few minutes of operation.
|
Temperature Measurement Range/Calibration Error | View Details |
| C4 |
C4 error appears and the Thermomix stops heating; motor functions may still work.
|
Overtemperature Protection Triggered | View Details |
| C5 |
C5 error appears when trying to start or during heating, and the appliance stops the program.
|
Heater Control Circuit Fault | View Details |
| C6 |
C6 error is displayed and the Thermomix will not start the motor or heating.
|
Internal Electronics Self-Test Failure | View Details |
| C7 |
C7 error appears when trying to start the motor or during speed changes.
|
Motor Tachometer / Speed Feedback Fault | View Details |
| C8 |
C8 error is displayed and the motor will not run, even though the display and buttons work.
|
Motor Power Stage Fault | View Details |
| C9 |
C9 error appears when trying to start a program that uses the scale or when placing items on the lid.
|
Internal Scale Sensor Fault | View Details |
| – |
Buttons or touchscreen areas do not respond, or respond intermittently, without an error code.
|
User Interface Contact Failure | View Details |
| – |
Condensation or water droplets appear inside the display or control panel area.
|
Moisture Ingress into Control Panel | View Details |
| – |
Guided recipes or timers freeze, skip steps, or the display lags significantly during operation.
|
System Performance / Firmware Instability | View Details |
| – |
Integrated scale gives inconsistent or obviously incorrect weight readings without showing an error code.
|
Scale Drift / Mechanical Binding | View Details |
| – |
Lid locking arms do not move or fail to lock/unlock the lid properly.
|
Lid Lock Mechanism Failure | View Details |
| – |
Loud grinding or rattling noise from the bowl area during mixing or chopping.
|
Blade Bearing Wear or Blade Imbalance | View Details |
| – |
Motor runs but struggles, stalls, or runs at inconsistent speed even with light loads.
|
Weak Motor / Speed Control Instability | View Details |
| – |
Programs that require heating take much longer than expected to reach temperature, or never reach set temperature.
|
Reduced Heating Performance | View Details |
| – |
Steam or liquid escapes around the lid during cooking, sometimes splattering onto the base.
|
Lid Seal Leakage / Overpressure at Lid | View Details |
| – |
Thermomix base becomes unusually hot to the touch on the underside or sides during normal operation.
|
Excessive Internal Heat Build-Up | View Details |
| – |
Thermomix bowl leaks liquid from the bottom onto the base during or after cooking.
|
Bowl Shaft Seal / Bearing Housing Leak | View Details |
| – |
Thermomix does not power on at all; display remains dark and no lights are visible.
|
No Power / Dead Appliance | View Details |
| – |
Thermomix emits a burning smell during operation, with or without visible smoke.
|
Overheating Component or Electrical Insulation Breakdown | View Details |
| – |
Thermomix motor does not start when pressing start, but the display and timer work normally.
|
Motor Not Running / Drive Failure | View Details |
| – |
Thermomix overheats food quickly, burning the bottom even at moderate temperature settings.
|
Overheating / Temperature Overshoot | View Details |
| – |
Thermomix powers on but shuts off unexpectedly during cooking or mixing.
|
Intermittent Power Loss / Thermal Cutout | View Details |
| – |
Thermomix produces a high-pitched whine or squeal from the motor area during operation.
|
Motor or Fan Bearing Noise | View Details |
| – |
Thermomix trips the household circuit breaker or RCD when plugged in or when starting a program.
|
Electrical Short or Earth Leakage | View Details |
| – |
Thermomix vibrates excessively or "walks" on the countertop during high-speed operation.
|
Imbalance or Worn Motor Mounts | View Details |
No matching codes found
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