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USER MANUAL
BBS Series Drive System
Thank you for using BAFANG products.
When using or modifying parameters, please make sure to comply with the local laws and regulations.
Original instruction manual
Read carefully before use. Keep for later reference.
BF-UM-S-M615-1-EN-PRINT, Feburary 2023
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Summarization of Contents

Symbol Instruction
Note Symbol
Indicates important information about product usage and specific guide parts.
Caution Symbol
Warns against product misuse that could lead to damage or pollution.
Danger Symbol
Indicates possible health and safety hazards requiring specific measures.
User Manual Symbol
Advises reading the manual before using the pedelec and contacting the retailer for clarification.
Guide
Quick Start Guide
Provides important information and instructions for safe pedelec usage.
Before Each Ride Checks
Advises on pre-ride checks, including ensuring the pedelec is not defective and has been inspected.
Important Safety and Operation Notice
User Safety and Product Suitability
Details suitability, age restrictions, driving familiarity, display focus, motor inspection, waterproofing, and avoiding steam jets.
Installation and Maintenance Precautions
Covers charger disconnection, battery removal, component replacement with genuine parts, and cleaning precautions.
Laws and Regulations Compliance
Pre-Ride System Checks
Reminds users to ensure the light sensor and braking system are operational before setting off.
Product Guaranty and Exclusions
Warranty and Warranty Exclusions
Details specific conditions that void the warranty or are not covered, such as modifications or misuse.
System Installation Overview
Summary of Kit Components
Provides a visual overview and list of all components included in the BBS Series Drive System kit.
Drive Unit Installation Tools
Required Tools for Installation
Lists various Allen wrenches, open-end wrenches, and specialized tools required for mounting and disassembling components.
Motor Installation Procedure
Inserting Motor Shaft and Prelocking Screws
Details inserting the motor shaft into the bottom bracket and pre-locking M6 star screws with a 5mm Allen wrench.
Motor Installation Steps
Securing Components and Cable Connection
Describes securing locking rings, chain wheel, protective cover, crank, and connecting the 1T4 EB-BUS cable.
Display Installation Guides
Display Model Manual Links
Lists Google Drive and bit.ly links for downloading manuals of different Bafang display models.
Battery Installation and Usage
Battery Usage Recommendations
Discusses battery types, correct connection, DIY motor compatibility, and purchasing from trusted sellers.
Speed Sensor Installation
Mounting Speed Sensor and Magnet
Explains attaching the speed sensor, tightening the mounting screw, and ensuring the correct gap between sensor and magnet.
E-Brake Lever and Throttle Installation
Installing E-Brake Lever and Grip
Details mounting the left e-brake lever and grip on the handlebar and securing them with M5 screws.
Throttle and E-Brake Lever Installation Steps
Connecting EB-BUS Cable
Explains connecting the 1T4 EB-BUS cable for the system, ensuring proper linkage between components.
M215/315/615 Series Introduction
About BAFANG M-SERIES Motor
Describes the M-Series motors as powerful, quiet, integrated, and suitable for various eBike types due to compact design.
M615, M315, M215 Motor Specifications
Details the specifications, power ratings, torque, and compatibility of M615, M315, and M215 motors.
Error Code Definitions
Throttle and Hall Sensor Error Troubleshooting
Details troubleshooting for throttle issues (04, 05) and hall sensor signal errors (08) within the motor.
Overvoltage and Speed Sensor Error Troubleshooting
Covers troubleshooting for overvoltage protection (07), temperature protection (10), and faulty speed sensors (21).

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