What does error code 21 mean on the Carratt E-3400RM electric bike?
On the Carratt E-3400RM electric bike, Error Code 21 indicates a Current Abnormality. According to the manual's troubleshooting section for motor assistance issues, you…
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static E-3400RM Carratt Electric Bike User Manual — questions & answers
Read product questions and troubleshooting answers linked to static E-3400RM Carratt Electric Bike User Manual.