Sage
Overheating Component or Electrical Fault
Unpleasant smell (burning or electrical) during operation
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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
Dust or coffee oils burning on heater, Overheating pump or motor, Failing capacitor or PCB component, Internal wiring insulation damage
How to Fix / Troubleshooting
Safety: Unplug the machine immediately if you smell burning plastic or see smoke.
- External check:
- Allow the machine to cool and inspect for visible damage or discoloration.
- Smell near the back and underside to localize the source (without opening if under warranty).
- Clean exterior: Wipe away any coffee oils or residue near vents that could be burning.
- Internal inspection (advanced):
- Open the housing and inspect the thermocoil, boilers, pump, and PCB for burn marks.
- Check for melted connectors or wiring.
- Repair: Replace any burnt components (e.g., pump, heater, control board) and correct the root cause (blocked ventilation, scale, overcurrent).
- Do not operate the machine until the fault is resolved.
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Repair Difficulty
Professional Required
5/5
Required Part
Main Control Board
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