GoCable
Nuisance Tripping / Overcurrent or Earth Leakage
Charger trips the upstream breaker or RCD/GFCI as soon as charging 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
Inrush current exceeding breaker tolerance, Shared RCD with other loads, Faulty internal RCD module, Partial short in charge cable or power module
How to Fix / Troubleshooting
Safety warning: Repeated tripping indicates a potential fault. Do not simply upsize breakers without proper evaluation.
- Verify correct breaker type: Ensure the circuit uses the breaker type and rating specified by GoCable (e.g., C‑curve, dedicated RCD).
- Dedicated circuit: Confirm no other loads are connected to the EVSE circuit.
- Inspect cable and unit: Look for visible damage, water ingress, or burning.
- Insulation and leakage tests: Have a technician perform insulation resistance and leakage current tests on the charger and cable.
- Replace faulty components: If leakage is high, replace the charge cable assembly or power module. If the internal RCD is overly sensitive or defective, replace the RCD / ground fault sensor module.
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Repair Difficulty
Professional Required
5/5
Required Part
RCD / Ground Fault Sensor Module
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