Calphalon
Overheating / Residue Burning
Coffee maker emits a burning smell during brewing or while the warming plate is on.
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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
Spilled coffee on warming plate, Residue on heating block, Failing thermostat causing overheating, Electrical insulation overheating
How to Fix / Troubleshooting
Safety first: Unplug the coffee maker immediately if you smell burning plastic or see smoke. Do not continue using until inspected.
- Inspect warming plate: Once cool, clean any burnt coffee or sugar residue from the plate with a damp cloth. Stubborn residue can smoke when reheated.
- Check underside and vents: Look for signs of melting plastic or scorch marks around vents or the base. If present, discontinue use.
- Monitor temperature: After cleaning, run a short brew and observe. The warming plate should be hot but not glowing or smoking.
- If burning smell persists without visible spills: Internal components such as wiring, insulation, or the heating block may be overheating due to a faulty thermostat or control board. Have a technician inspect the unit.
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Repair Difficulty
Hard
4/5
Required Part
Warming Plate Thermostat
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