E18
Schneider Electric
Firmware Corruption / Boot Failure
Charger shows E18 or firmware error; unit may reboot repeatedly or remain in fault state.
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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 failure on control board, Incompatible firmware image, Power surge during update
How to Fix / Troubleshooting
Safety first: Do not repeatedly power cycle the charger during a firmware update process unless instructed by Schneider documentation.
- Check status LEDs: Some EVlink models indicate bootloader or firmware status via specific LED patterns. Refer to the manual to interpret them.
- Stable power: Ensure the supply voltage is stable and within specification before attempting any recovery.
- Firmware recovery: Follow Schneider Electric's official procedure for firmware recovery, which may involve a USB stick, SD card, or service tool. Use only firmware images provided for your exact EVlink model.
- Avoid DIY flashing: Do not attempt to load unofficial firmware or modify images; this can permanently damage the control board.
- Board replacement: If firmware cannot be recovered, the Schneider EVlink control board will need replacement by an authorized technician.
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Repair Difficulty
Professional Required
5/5
Required Part
Schneider EVlink control board
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