E07
Elecro Earth Leakage / Ground Fault Detected

Display shows E07; heater may start then immediately stop.

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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

Insulation breakdown in titanium heating element, Water ingress into element terminals, Damaged wiring insulation touching chassis, Faulty RCD/GFCI upstream detecting leakage

How to Fix / Troubleshooting

Safety first: Earth leakage faults can be dangerous. Isolate power and do not operate the heater until the fault is identified.

  • Check for visible water ingress: Inspect the heater terminal area and element gland seals for signs of leaks or condensation.
  • Inspect cables: Look for nicks or crushed sections in the element leads and internal wiring that could contact the metal chassis.
  • Insulation resistance test (professional): Have a qualified technician perform a megger test between each element terminal and earth. Low insulation resistance indicates a failing element.
  • Verify RCD/GFCI: Test the upstream RCD/GFCI using its test button. Replace if it trips erratically without actual leakage.

Most persistent E07 faults are due to a failing heating element that must be replaced with a genuine Elecro titanium element assembly.

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Repair Difficulty

Professional Required 5/5

Required Part

Elecro Titanium Heating Element Assembly
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