Moccamaster
Insufficient Thermal Insulation or Misrouted Wiring
Machine body or base becomes excessively hot to the touch
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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
Missing or damaged insulation around heating block, Misrouted wires touching hot surfaces, Overheating due to scale, Faulty thermostat
How to Fix / Troubleshooting
Safety: Unplug the unit and allow it to cool completely before opening the housing.
- Check for scale: Descale the machine to reduce overheating of the heating block.
- Inspect internal layout: Remove the base and side panels to inspect insulation and wire routing around the heating block.
- Restore insulation: Replace any missing or damaged heat shields or insulation pads with high-temperature-rated materials specified by Moccamaster.
- Reroute wiring: Ensure all wires are secured away from hot surfaces using clips or ties.
- Test thermostat: Verify that the thermostat is cycling correctly and replace if it allows excessive temperatures.
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Repair Difficulty
Hard
4/5
Required Part
Heat Insulation Pad
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