Nespresso
Overheating Electrical Component
Burning smell during operation, with or without visible smoke
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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
Heater wiring overheating, Failing pump motor, Shorted component on PCB, Coffee residue burning on heater surfaces
How to Fix / Troubleshooting
Safety first: Immediately unplug the machine and do not continue using it until the cause is identified. Risk of fire or electric shock.
Inspection:
- Open the housing and look for burn marks on wiring, connectors, and the PCB.
- Smell near the thermoblock, pump, and board to localize the source.
- Replace any burned wiring harnesses or connectors.
- If the PCB or pump shows signs of overheating, replace the affected component.
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Repair Difficulty
Hard
4/5
Required Part
Main Control PCB / Wiring Harness
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