E020
NewMotion Firmware Corruption / Failed Update

Charger reports E020; LED ring flashes red; app indicates firmware integrity error.

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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

Interrupted firmware update, Flash memory error on main PCB, Incompatible firmware image, Network drop during OTA update

How to Fix / Troubleshooting

Safety first: Do not power off the charger during any recovery update unless instructed.

  • Check portal status: In the NewMotion backend, verify whether a firmware update was recently pushed and its status.
  • Retry update: If possible, trigger a manual firmware update or recovery image installation via the installer tools.
  • Stable network: Ensure the charger has a stable internet connection (Ethernet or cellular) during the update process.
  • Power cycle: After a failed update, turn the breaker off for 5 minutes, then on, and see if the unit boots into a recovery mode that allows re-flashing.
  • Board replacement: If the bootloader or flash memory is corrupted beyond recovery, replace the main control PCB.
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Repair Difficulty

Hard 4/5

Required Part

Main Control PCB (Flash Memory)
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