Green light on, strong plastic or burning smell
Nescafé Dolce Gusto Overheating or electrical insulation failure

During operation, a strong plastic or burning odor comes from the machine.

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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

Overheated thermoblock, Melted wiring insulation, Foreign object inside housing, Failing pump or heater drawing excess current

How to Fix / Troubleshooting

Safety: Immediately switch off, unplug the machine, and stop using it. Do not ignore burning smells.

  • Allow to cool: Let the machine cool completely for at least 30–60 minutes.
  • External inspection: Check the power cord and plug for discoloration or melting. If damaged, do not use the machine.
  • Check for foreign objects: Look into the capsule chamber and around vents for any plastic pieces or packaging that may have fallen in.

If the smell persists on the next brief test or any visible melting is observed, the machine must be opened and inspected by a professional. Continued use is unsafe.

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Repair Difficulty

Professional Required 5/5

Required Part

Thermoblock Heater
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