Mora
Electrical Short or Earth Leakage
Dishwasher trips the household circuit breaker or RCD 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
Water leak onto electrical components, Shorted heater, Damaged wiring harness, Faulty motor winding
How to Fix / Troubleshooting
Safety first: Do not repeatedly reset a tripping breaker. Unplug the dishwasher and close the water tap immediately.
- Inspect for leaks: Check underneath and around the dishwasher for signs of water leakage that could reach electrical parts.
- Visual wiring check: With panels removed, look for burnt, pinched, or exposed wires, especially near the heater and pumps.
- Insulation testing: A qualified technician should perform insulation resistance tests on the heater and motors to locate earth leakage.
- Component replacement: Replace any component found to be shorted or leaking to earth before using the appliance again.
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Repair Difficulty
Professional Required
5/5
Required Part
Flow-Through Heater Assembly
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