NewMotion Nuisance or Real Earth Leakage Trip

Charger trips the house RCD/RCBO as soon as a vehicle is plugged in, but no specific charger error code is logged.

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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

Combined sensitivity of internal and external RCDs, Shared RCD with other loads, Minor leakage in vehicle or cable, Moisture in socket or cable head

How to Fix / Troubleshooting

Safety first: Repeated RCD tripping indicates a potential safety issue; proceed cautiously.

  • Visual inspection: Check the Type 2 socket and cable for moisture, dirt, or damage. Dry thoroughly if wet.
  • Dedicated circuit: Ensure the charger is on its own RCD/RCBO as per NewMotion and local code recommendations.
  • Test another vehicle/cable: Try a different EV and/or cable to see if the tripping persists.
  • Check leakage type: Confirm that the upstream RCD type (e.g., A, B, F) is compatible with EV chargers and DC leakage behavior.
  • Consult electrician: Have a qualified electrician measure leakage currents and, if necessary, reconfigure the distribution board to avoid stacking RCDs.
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Repair Difficulty

Medium 3/5

Required Part

Upstream RCD/RCBO / Internal RCD Module
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