Miele
Electrical Short or Earth Leakage
Dryer causes the household circuit breaker or RCD to trip during or shortly after starting.
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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
Shorted heating element to ground, moisture in heater or wiring, failing motor with insulation breakdown, damaged power cord
How to Fix / Troubleshooting
Safety first: Do not repeatedly reset a tripping breaker. Unplug the dryer and keep it disconnected until the fault is found.
Locate electrical faults:
- Inspect the power cord and plug for damage; replace if any cuts or burns are visible.
- Access the heater assembly and check for signs of arcing or the element touching the metal housing.
- Use a megohmmeter (insulation tester) if available to check heater and motor insulation to ground; replace components with low insulation resistance.
- Check for water leaks or condensation around electrical components, especially in condenser and heat-pump models; dry and correct the source of moisture.
- If you are not experienced with electrical testing, contact a qualified technician to avoid shock hazards.
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Repair Difficulty
Professional Required
5/5
Required Part
Heater Assembly / Drive Motor / Power Cord
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