E20
NRGkick Output Overcurrent / Short-Circuit Protection

Charger displays E20; indicates overcurrent or short-circuit event detected on output to vehicle.

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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 conductors in charging cable, Internal fault in vehicle inlet or onboard charger, Faulty current limit control on control PCB, Damaged Type 2 connector causing pin-to-pin short

How to Fix / Troubleshooting

Safety first: Overcurrent events can cause severe damage and fire. Do not repeatedly reset without identifying the cause.

  • 1. Inspect cable and plug:
    • Look for melted plastic, burn marks, or deformed pins on the Type 2 connector.
    • Check the cable for cuts or crushed sections.
  • 2. Try another vehicle:
    • Connect the NRGkick to a different EV on a known-good outlet.
    • If E20 only occurs with one vehicle, the fault is likely in that vehicle.
  • 3. Reduce current limit:
    • Set a lower current in the app and attempt a short test charge.
    • If E20 still triggers immediately, a hard short may exist.
  • 4. Do not continue if physical damage is visible:
    • Replace the cable assembly if any conductor damage is suspected.
  • 5. If no external cause is found:
    • The internal current limiting or power electronics may be faulty.
    • Contact NRGkick support for internal diagnostics and repair.
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Repair Difficulty

Hard 4/5

Required Part

Charging Cable Assembly or Power Electronics Module
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