CDA Overheating Electrical Component / Wiring Fault

Dishwasher emits a burning smell or shows signs of smoke 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

Burnt heater connection, Shorted wiring harness, Failing motor windings, Faulty control board component overheating

How to Fix / Troubleshooting

Safety first: Immediately switch off the dishwasher at the mains and do not use it again until inspected. Risk of fire and electric shock.

  • Visual inspection: Once cooled and unplugged, remove the lower front panel and inner door panel to inspect wiring and components.
  • Check heater terminals: Look for discoloured or melted plastic around the heater connections.
  • Inspect wiring harness: Trace the main harness for burnt insulation or exposed conductors. Replace any damaged sections.
  • Examine control board: Look for burnt components or scorch marks. A damaged PCB usually requires replacement.
  • Do not bypass safety devices: Never bypass thermostats, fuses, or earth connections to keep the machine running.
  • Professional repair recommended: Due to fire risk, have a qualified technician complete the repair.
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Repair Difficulty

Professional Required 5/5

Required Part

Wiring Harness
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