E026
EVBox
Bootloader / Startup Failure
Charger displays E026; LEDs may flash in a pattern; unit stuck in boot loop.
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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
Corrupted bootloader firmware, Faulty flash memory, Incompatible firmware image, Hardware fault on microcontroller
How to Fix / Troubleshooting
Note: Bootloader issues usually require specialized tools and access to EVBox service firmware.
- Power cycle: Turn the breaker off for 2 minutes, then on. Observe if the unit completes startup or loops.
- Check for recovery mode: Some models support a recovery or safe mode via a button sequence or jumper; consult EVBox technical documentation.
- Attempt remote recovery: If the unit is still reachable via network, EVBox support may be able to push a recovery firmware.
- Board replacement: If recovery is not possible, replace the main control board preloaded with correct firmware.
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Repair Difficulty
Professional Required
5/5
Required Part
EVBox Main Control Board
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