Melitta Overheating or Electrical Burning

Machine emits a burning smell during operation.

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.

Possible Causes

Coffee oils burning on heater, Electrical short on control board, Pump or motor overheating, Blocked ventilation

Safety first: Immediately unplug the machine. Do not continue using it until the cause is identified.

Steps:

Inspect exterior: Look for discoloration or melted plastic around vents.
Clean internals: After cooling and unplugging, open the housing and check for coffee or milk residues on hot parts that may be burning.
Check wiring: Look for burnt wires or components on the control board and around the heater.

If you find any burnt components or insulation, do not power the machine again. Have it serviced by a professional.

Professional Required 5/5

Main Control Board

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