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Bosch error codes
Internal Drive Unit Error
Bosch · Drive unit reported an internal fault and disabled power assist for component protection.
Motor Voltage Error
Bosch · Abnormal voltage in the motor circuit. Riding can worsen controller damage.
Speed Sensor Signal Error
Bosch · The speed signal is missing, weak, or not believable.
Internal Battery Error
Bosch · Battery electronics reported an internal fault.
Drive Unit Error
Bosch · The motor/drive unit has detected a serious operating fault.
Speed Sensor Error
Bosch · The bike cannot correctly detect speed.
Tuning Detection / Manipulation Suspected
Bosch · The system detected an abnormal speed signal pattern.
Battery Communication Error
Bosch · The battery and drive system are not communicating correctly.
Improper Load Detected
Bosch · The drive system detected an abnormal electrical or mechanical load.
Battery Temperature Error
Bosch · Battery temperature is outside the safe operating range.
Battery Charging Error
Bosch · Charging process failed or charger/battery communication is unstable.
Multiple Battery Errors
Bosch · Several battery faults are active at the same time.