De Dietrich
Electrical Short or Earth Leakage
Water heater trips the electrical breaker or RCD when it starts
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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 pump motor on De Dietrich unit, Water ingress into electrical components, Damaged wiring insulation, Faulty control board
How to Fix / Troubleshooting
Safety first: Repeated tripping indicates a potentially dangerous fault. Do not repeatedly reset the breaker without investigation.
User-level checks:
- Visual inspection: With power off, remove the cover and look for signs of water leaks onto electrical parts or obvious damaged wiring.
- Dry moisture: If condensation or minor moisture is present, dry the area and identify the source of the leak.
When to call a professional: Electrical testing to locate the short or leakage must be performed by a qualified technician.
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Repair Difficulty
Professional Required
5/5
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