Finlux Overheating / Electrical Insulation Failure

Dishwasher emits a burning smell or shows signs of overheating 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

Food debris on heater element, Failing circulation pump motor, Loose electrical connection arcing, Blocked ventilation around appliance

How to Fix / Troubleshooting

Safety first: Immediately switch off the dishwasher at the mains if you smell burning or see smoke. Do not continue using the appliance until inspected.

  • 1. Inspect interior: Once cooled, open the door and check for plastic items or utensils that may have fallen onto the heater (if exposed) and melted.
  • 2. Check external ventilation: Ensure there is adequate space around the dishwasher for heat to escape and that cabinet vents are not blocked.
  • 3. Base inspection: With power disconnected, remove the lower front panel and look for burnt wiring, discolored connectors, or melted plastic around the heater, pumps, and control board.
  • 4. Do not ignore: Any signs of burning or melted components require replacement of the affected parts before further use.
  • 5. Professional repair: Overheating and electrical smells should be investigated by a qualified technician to prevent fire risk.
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Repair Difficulty

Professional Required 5/5

Required Part

Wiring Harness / Heater Circuit
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