Miele Overheating or Electrical Insulation Breakdown

Disposal emits a burning smell during or after 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

Overloaded motor, Jammed rotor, Failing motor windings, Food burning on hot components

How to Fix / Troubleshooting

Safety warning: Turn off the disposal immediately and switch off the breaker. Do not continue to run a unit that smells like burning.

  • Check for jam: After cooling, inspect and clear any jam in the grinding chamber.
  • Visual inspection: Look under the sink for signs of smoke, discoloration, or melted insulation.
  • Short test: If no damage is visible and the jam is cleared, run the unit for only a few seconds with water. If the smell returns, stop using it.
  • Service or replace: A persistent burning smell indicates motor or wiring damage; the unit should be serviced or replaced.
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Repair Difficulty

Hard 4/5

Required Part

Motor Assembly
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