Home › S866 / S830 display

S866 / S830 display error codes

7 codes. Tap a code for meaning, causes and the fix.

All S866 / S830 display codes

E01 – Communication receive error Fix at home
E02 – Communication send error Fix at home
E03 – Motor phase fault Dealer needed
E04 – Throttle not in home position Fix at home
E05 – Brake fault Fix at home
E06 – Low voltage protection Warning
E07 – Motor hall sensor fault Dealer needed

Still stuck? Take a photo of the display and show it to a local e-bike workshop. Bring the bike's system name (e.g. Bosch Performance Line CX) and the exact code; that saves diagnostic time and money.