Fat ebike Error code - Fluence Electric Bikes – Ride the Future, Live the Green Way

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YL display (EB8/EB2/EB3) Regualar Repair SOP

Error Code	Parts Problem	Status	Troubleshooting and Solutions
E01/E09	Controller failure	The ebike is not working after turning on power switch, Error code E01 or E09 on the dashboard	Check whether each wiring port of the controller is connected properly Restore factory settings Replace the controller and test Note: After any connection cable port is re-plugged, turn the display off and on again before testing.
E02	Communication failure	The ebike has no reaction after turning on. Battery level shows empty.	Check display cable connection Check controller main wire and wiring assembly connections Replace wiring assembly and controller for testing Note: After any connection cable port is re-plugged, turn the display off and on again before testing.
E03	Hall failure	The motor does not work and there is a sound of current	Check motor phase wire and Hall wire connections If connections are normal, restart the vehicle If error persists, replace motor or controller Note: After any connection cable port is re-plugged, turn the display off and on again before testing.
E04/E08	Throttle failure	The bike has no reaction when pressing or turning the throttle	Check throttle position Check throttle cable connection Adjust P10 to 0 Try changing the throttle If problem persists, replace controller Note: After any connection cable port is re-plugged, turn the display off and on again before testing.
E05	Brake failure	No feedback from the tail light when the brake lever is pressed	Check brake lever position Check brake lever cable connection Adjust brake sensor position Replace brake lever if needed Note: After any connection cable port is re-plugged, turn the display off and on again before testing.
E06/E07	Motor phase failure	Motor speed is unstable or doesn't work, or there's a "buzzing" sound	Check motor phase wire connections Note: Use wiring from the same motor manufacturer only. Replace motor and test If problem persists, replace controller Rematch motor and controller if needed Note: After any connection cable port is re-plugged, turn the display off and on again before testing.
E06	Low battery	Battery level indicator flashes and bike won't start	Check battery voltage and charge if needed Check display parameters (P15/40v) If battery is normal, replace controller Note: After any connection cable port is re-plugged, turn the display off and on again before testing.
E10	Communication reception failure	The display shows fault code	Check display cable connection Check controller waterproof cable connections Inspect all cables for damage Replace controller for testing Note: After any connection cable port is re-plugged, turn the display off and on again before testing.

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