C16
Thermomix
Internal Power Supply Fault
C16 error is displayed and the Thermomix may shut down or reboot unexpectedly during use.
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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
Defective low-voltage power supply on main PCB, Failing electrolytic capacitors, Loose mains connector or internal wiring, Overvoltage or undervoltage from mains supply
How to Fix / Troubleshooting
Safety first: Disconnect from mains before opening the unit. Mains voltage is present inside.
- Check external power: Plug the Thermomix directly into a known-good wall outlet. Avoid extension cords and multi-plugs.
- Inspect power cord: Check the mains cord and plug for cuts, kinks, or burn marks. Replace if damaged.
- Advanced inspection: With the bottom cover removed, inspect the power supply section of the PCB for bulging capacitors, burnt components, or loose connectors.
- Service requirement: Power supply repairs involve mains voltage and should be performed only by qualified technicians. The main PCB may need replacement.
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Repair Difficulty
Professional Required
5/5
Required Part
Main Control Board (Power Supply Section)
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