Bafang Ebike Display User Manual

1. Introduction

This manual provides comprehensive instructions for the installation, operation, and maintenance of your Bafang Ebike Display. These displays are designed to be compatible with Bafang BBS02, BBSHD mid-drive motors, and G062, G063 hub motors, utilizing the UART 5.9 protocol. Please read this manual carefully before use to ensure proper function and longevity of your display.

Important Note: These displays are not compatible with the latest CAN protocol systems.

2. Product Overview

The Bafang Ebike Display series offers various models (DZ40, L02, K5351, B02, B04, L04) to suit different rider preferences and ebike setups. Each model features a 5-pin waterproof connector for reliable communication with your Bafang motor system. The displays provide essential riding information and control over your ebike's functions.

Overview of Bafang Ebike Display models: DZ40, K5351, L02, B02 (EKD01), B04, highlighting UART Protocol and compatibility with BBS02, BBSHD, G062, G063 motors. — This image illustrates the various Bafang Ebike Display models available, including DZ40, K5351, L02, B02 (EKD01), and B04. It emphasizes their use of the UART Protocol and compatibility with Bafang BBS02, BBSHD, G062, and G063 motors. All models feature a 5-pin connection and come with a 1-year warranty.

3. Specifications

Below is a detailed comparison of the different Bafang Ebike Display models, outlining their key features and specifications.

Display Model Comparison
Feature	DZ40	L02	B02 (EKD01)	K5351	B04	L04
Screen Type	WDT	LED	IPS	TFT	IPS	LED
Screen Size	1.6"	2.4"	2.4"	3.5"	3.5"	3.2"
Mounting Size	Ø22.2mm	Ø22.2-28.6mm	Ø22.2-28.6mm	Ø22.2-31.8mm	Ø22.2-31.8mm	Ø22.2-31.8mm
Battery Percent	X	X	✔	✔	✔	✔
Pedal Level	0-5	0-9	0-9	0-9	0-9	0-3-5-9 (Adjustable)
TRIP/ODO/AVG	X	✔	✔	✔	✔	✔
Brightness	X	X	✔	✔	✔	N/A
AUTO-OFF	X	✔	✔	✔	✔	✔
USB-C Charge	X	X	✔	X	✔	N/A
Bluetooth & APP	X	✔	✔	X	✔	✔
Light Sensor	X	X	✔	X	✔	N/A
GPS	X	X	✔	X	✔	N/A

Comparison table for Bafang Ebike Displays DZ40, L02, and B02, detailing screen type, size, mounting, and features. — This table compares the DZ40, L02, and B02 ebike displays. It lists their screen types (WDT, LED, IPS), screen sizes (1.6", 2.4"), mounting sizes, and feature availability for battery percentage, pedal assist levels, trip data, brightness, auto-off, USB-C charging, Bluetooth & APP connectivity, light sensor, and GPS.

Comparison table for Bafang Ebike Displays K5351 and B04, detailing screen type, size, mounting, and features. — This table continues the comparison, detailing the K5351 and B04 ebike displays. It lists their screen types (TFT, IPS), screen sizes (3.5"), mounting sizes, and feature availability for battery percentage, pedal assist levels, trip data, brightness, auto-off, USB-C charging, Bluetooth & APP connectivity, light sensor, and GPS.

General Specifications:

Indicator Panel: LCD
Type: Display
Protocol: UART 5.9
CAN Protocol: Not supported
Connection: 5 pin Male

4. Installation Guide

Follow these steps to properly install your Bafang Ebike Display:

Prepare your Ebike: Ensure your ebike's power is turned off and the battery is disconnected before beginning installation.
Mount the Display: Securely attach the display to your handlebar using the provided mounting bracket. Ensure it is positioned for optimal visibility and accessibility while riding. The mounting sizes vary by model (Ø22.2mm to Ø31.8mm), so ensure compatibility with your handlebar.
Connect the Cable: Locate the 5-pin male waterproof connector on your display cable. Connect it to the corresponding female connector on your Bafang motor system. Ensure the connection is firm and secure to prevent water ingress and ensure proper communication.

Close-up of a 5-pin male waterproof connector for Bafang Ebike Displays. — This image shows the 5-pin male waterproof connector, which ensures a secure and reliable connection for your ebike display, featuring a waterproof design.

Secure Cables: Route and secure all cables to prevent them from interfering with steering or moving parts. Use zip ties or cable wraps if necessary.
Reconnect Battery: Once all connections are secure, reconnect your ebike battery.
Test Functionality: Turn on your ebike and test the display's functions to ensure it powers on and communicates correctly with the motor.

5. Operating Instructions

While specific button layouts and features may vary slightly between models, the core operation principles are similar. Refer to your specific model's features in the specifications section.

General Controls:

Power Button: Typically used to turn the display on/off (long press) and sometimes to cycle through information screens (short press).
Mode/Function Buttons (+/-): Used to adjust Pedal Assist System (PAS) levels, navigate menus, or change displayed information.
Information Display: The screen will show various data such as current speed, battery level, PAS level, trip distance, odometer, and more, depending on the model.

L04 Display Specific Features:

The L04 display offers advanced features for enhanced control and visibility:

Diagram of L04 LCD Display showing controls and displayed information like speed, battery, PAS level, and trip data. — This diagram details the L04 LCD Display, illustrating its easy control and good vision. It highlights features such as Lock & Unlock, Headlight Indicator, Battery Level, Real-time Speed, Max Speed, Walk Assist, PAS Level Display, Trip Distance, Odometer, Battery Voltage, Power, and Average Speed. It also notes the 3.2-inch LED screen, adjustable PAS levels (0-3-5-9), mounting size, password security, Bluetooth unlocking, auto-off function, and separate buttons, emphasizing its all-in-one design with physical buttons for easy commuting.

Lock & Unlock: Security feature to prevent unauthorized use.
Headlight Indicator: Shows when your ebike's headlights are active.
Show Battery Level: Precise indication of remaining battery charge.
Real-time Speed: Displays current riding speed.
Max Speed: Records the maximum speed achieved during a ride.
Walk Assist: Provides low-speed motor assistance for walking the bike.
PAS Level Display: Clearly shows the current Pedal Assist System level (0-3-5-9 adjustable).
Trip Distance – One-Way Distance: Tracks distance for a single journey.
Odometer – Total Distance: Records the total distance covered by the ebike.
Battery Voltage: Displays the real-time voltage of your ebike battery.
Power: Shows the current power output from the motor.
Average Speed: Calculates the average speed of your ride.
Password Security: Protects display settings and ebike usage.
Bluetooth Unlocking: Allows unlocking via Bluetooth connectivity.
Auto-OFF: Configurable automatic power-off to save battery.
Separate Buttons: Provides distinct physical buttons for various functions, enhancing ease of use.

Front view of the L02 Bafang Ebike Display. — This image shows the L02 Bafang Ebike Display, featuring a clear LED screen and integrated control buttons for easy operation.

6. Maintenance

Proper maintenance ensures the longevity and optimal performance of your ebike display:

Cleaning: Use a soft, damp cloth to wipe the display screen and body. Avoid abrasive cleaners or solvents that could damage the screen or casing.
Water Exposure: While the connector is waterproof, avoid submerging the display in water or exposing it to high-pressure water jets. Wipe off any moisture promptly.
Storage: When not in use for extended periods, store your ebike in a dry, temperate environment. If possible, remove the display or cover it to protect it from dust and direct sunlight.
Cable Inspection: Periodically check the display cable and connector for any signs of wear, damage, or corrosion. Ensure the connection remains secure.

7. Troubleshooting

If you encounter issues with your Bafang Ebike Display, try the following troubleshooting steps:

Display Not Powering On:
- Ensure the ebike battery is charged and properly connected.
- Check the 5-pin connector for a secure fit and any visible damage.
- Verify that the power button is being pressed correctly (often a long press to power on/off).
No Data Displayed (Speed, PAS, etc.):
- Confirm the display cable is fully seated in the motor controller.
- Check for any error codes displayed on the screen (refer to your motor's manual for specific code meanings).
- Ensure the motor is receiving power and functioning correctly.
Inaccurate Readings:
- For speed readings, check if the speed sensor magnet is correctly aligned and positioned on the wheel spoke.
- Ensure the wheel size setting in the display (if adjustable) matches your ebike's wheel size.
Buttons Unresponsive:
- Clean around the buttons to ensure no dirt or debris is obstructing them.
- If the display has integrated buttons (like L02, B02), ensure the entire unit is free from physical damage.

If these steps do not resolve the issue, please contact customer support for further assistance.

8. User Tips

Screen Protection: Consider applying a screen protector to prevent scratches, especially for larger displays like K5351 and B04.
Customizing PAS Levels: If your display supports adjustable PAS levels (e.g., L04), experiment with different settings to find what best suits your riding style and terrain.
Password Security: Utilize the password security feature on models like L04 and B02 to protect your ebike from unauthorized use.
Bluetooth Connectivity: For models with Bluetooth & APP functionality (L02, B02, B04, L04), download the official Bafang app to unlock additional features and customization options.

9. Warranty and Support

Your Bafang Ebike Display is covered by a 12-month warranty from the date of delivery. This warranty specifically covers manufacturing defects.

Warranty Exclusions:

The warranty does not cover issues arising from:

Misuse or improper handling of the product.
Incorrect installation procedures.
Water damage due to submersion or high-pressure washing.
Physical damage caused by accidents or neglect.

Making a Warranty Claim:

To initiate a warranty claim, please submit your order number and a detailed description of the issue to VoltEagle USA E-Bike Kit Store customer support. Our team will guide you through the process.

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Bafang DZ40, L02, K5351, B02 (EKD01), B04, L04