Shell Recharge Nuisance Tripping / Overcurrent or Earth Leakage

Charger trips the upstream RCD/RCBO or MCB as soon as charging starts or randomly during charging.

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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

Cumulative earth leakage from multiple appliances, Incorrect RCD type (not Type A or B as required), Internal insulation fault in charger, Overloaded circuit shared with other loads

How to Fix / Troubleshooting

Safety: Repeated tripping indicates a real or potential fault. Do not simply upsize breakers.

  • Step 1 – Isolate circuit: Ensure the Shell Recharge charger is on a dedicated circuit as per installation guidelines.
  • Step 2 – Test with other loads off: Turn off other large loads on the same phase and attempt charging to see if tripping stops.
  • Step 3 – Verify protective devices: Have an electrician confirm that the RCD/RCBO type and rating match Shell Recharge specifications.
  • Step 4 – Insulation testing (electrician only): Perform insulation resistance tests on the charger circuit and internal wiring to detect faults.
  • Step 5 – Repair or replace: If an internal fault is found, components such as the RCD/RCM module, wiring harness, or main PCB may need replacement.
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Repair Difficulty

Professional Required 5/5

Required Part

Upstream RCD/RCBO and Internal Wiring
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