Bafang Error Codes

4 diagnostic codes for Bafang e-bike systems.

Error 30

Communication failure between display and motor controller

All BBS/BBSHD/M-SeriesError 21

Speed sensor error — magnet misaligned or sensor faulty

All BBS/BBSHDError 08

Hall sensor error inside the motor

BBSHDError 30H

Controller overheat protection activated

BBS02