Miele
Electrical Short / Earth Leakage
Unit trips household circuit breaker or RCD when switched on
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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
Water ingress into electrical components, Shorted motor windings, Damaged power cord, Faulty heater element (if fitted)
How to Fix / Troubleshooting
Safety: Do not repeatedly reset the breaker. Unplug the unit and keep it unplugged until inspected.
- Check for visible moisture: Inspect around the motor, PCB, and heater for signs of water leaks. Dry thoroughly and fix any leaks before reuse.
- Inspect power cord: Look for cuts, crushed sections, or exposed conductors. Replace the cord set if damaged.
- Isolate components: A technician can disconnect the motor and heater in turn to identify which component is causing the trip.
- Replace faulty component: Replace the shorted motor, heater, or PCB as required. Do not bypass safety earth connections.
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Repair Difficulty
Professional Required
5/5
Required Part
Power Cord or Motor / Heater (depending on diagnosis)
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