E15
NRGkick Real-Time Clock / Meter Synchronization Fault

Charger shows E15; internal clock or metering synchronization error, often affecting energy logging and scheduled 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

Failed real-time clock (RTC) chip, Depleted RTC backup battery (if present), Firmware bug in timekeeping, Communication error between RTC and main MCU

How to Fix / Troubleshooting

Safety first: This fault usually does not affect basic charging safety but can disrupt schedules and billing accuracy.

  • 1. Sync time via app:
    • Connect to the charger with the NRGkick app.
    • Force a time synchronization from your smartphone or network.
  • 2. Disable schedules temporarily:
    • Turn off scheduled charging or time-based features until the error is resolved.
  • 3. Firmware update:
    • Install the latest firmware to address potential RTC bugs.
  • 4. Persistent E15:
    • The RTC chip or its backup power may have failed.
    • Contact NRGkick support for control PCB repair or replacement.
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Repair Difficulty

Medium 3/5

Required Part

Real-Time Clock Circuit on Control PCB
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