Bafang E-bike Colorful LED Display DZ41 User Manual

1. Introduction

The Bafang E-bike Colorful LED Display DZ41 is a multi-functional left-side display designed for electric bicycles. It provides essential riding information and features a simple screen state when powered off. The display utilizes a multicolor LED for various functions and offers a responsive button operation experience. It is compatible with a range of Bafang motors supporting either UART or CAN protocols.

Bafang DZ41 LED Display with features listed — Figure 1: Bafang DZ41 LED Display highlighting its features. The display has a 2-inch LED screen, dark semi-transparent PC window material, 4 hard plastic buttons, and functional color division.

2. Safety Warnings

WARNING: Stay away from children and avoid misoperation.
WARNING: Please do not disassemble or modify this product by yourself. Non-professional repairs may cause damage or safety accidents.

3. Package Contents

Upon unboxing, please ensure all accessories are present and in good condition.

1 x Bafang DZ41 E-bike Display

4. Compatibility

The DZ41 display supports two main communication protocols: UART and CAN.

UART Protocol: The display plug for UART protocol is a green round 5-hole plug. It is suitable for many UART protocol motors such as Bafang BBS01, BBS02, BBS03 HD, G320, G340, M615, M620, G510, M400, and G330.
CAN Protocol: The display plug for CAN protocol is a green triangle plug. It is suitable for motors such as Bafang M200, M300, M400, M420, M500, M510, M600, M620, G330, G510, G521, G522, and G332.

Note: This display is not compatible with products produced in 2019 or before 2019.

Bafang DZ41 display showing compatibility with various Bafang motors like M500, M600, BBS0102, BBSHD, M200, M300, M400, M420, M510, M620. — Figure 2: Overview of Bafang DZ41 display and its broad compatibility with Bafang motor series.

Bafang DZ41 display with a green CAN connector highlighted. — Figure 3: The green triangle CAN protocol connector.

5. Installation

The DZ41 display is designed for left-side handlebar mounting.

Mounting: Securely attach the display to the left side of your e-bike's handlebar using the integrated clamp. Ensure it is positioned for easy visibility and access to buttons.
Connection: Connect the display cable to the corresponding port on your Bafang motor system. Ensure the connector type (UART or CAN) matches your motor's protocol. The UART protocol uses a green round 5-hole plug, while the CAN protocol uses a green triangle plug.
Cable Management: Route the cable neatly along the handlebar and frame, securing it with cable ties to prevent interference with moving parts.

Bafang DZ41 display mounted on an e-bike handlebar with a Bafang M600 motor in the background. — Figure 4: The DZ41 display installed on an e-bike handlebar.

Close-up view of the Bafang DZ41 display, its remote button, and the connecting cable with its green connector. — Figure 5: Components of the DZ41 display system, including the display unit, control buttons, and connection cable.

6. Operation

Refer to the operation manual for basic settings and to select the corresponding functional mode according to your requirements.

Power On/Off: Typically, a long press of the 'M' button will power the display on or off.
Mode Selection: Use the '+' and '-' buttons to cycle through assistance levels or display modes (e.g., speed, trip distance, total distance, battery level).
Light Control: The headlight icon on the display indicates the status of your e-bike's lights. A dedicated button or a combination of buttons might control the lights.
Information Display: The screen shows real-time speed (km/h), trip distance (TRIP), total distance (KM), battery level, and pedal-assist system (PAS) level.

Video 1: Demonstration of the Bafang DZ41 display's features and operation.

7. Maintenance

Cleaning: Wipe the display screen and body with a soft, damp cloth. Do not use abrasive cleaners or solvents.
Environment: Do not use the display in damp or dusty environments to prevent damage.
Protection: Avoid severe impact or vibration on the product.

8. Troubleshooting

If you encounter issues, consider the following basic troubleshooting steps:

Display Not Powering On: Check all cable connections to ensure they are secure. Verify your e-bike's battery is charged and properly connected.
Incorrect Readings: Ensure the wheel size setting in the display's advanced settings (if accessible) matches your e-bike's wheel size. Consult the full user manual for detailed calibration instructions.
Buttons Unresponsive: Check for any physical obstructions or debris around the buttons. If the issue persists, ensure the display is securely connected and not damaged.

9. Specifications

Feature	Detail
Model	DZ41
Display Type	2-inch LED, Colorful
Material	ABS, Dark semi-transparent PC window
Buttons	4 Hard plastic buttons
Protocols Supported	UART, CAN
Weight	Approx. 200g
Compatibility Note	Not compatible with products produced in 2019 or before.

10. User Tips

Always ensure the display connector is clean and dry before connecting to prevent electrical issues.
Familiarize yourself with the button functions before riding to ensure safe operation.

11. Warranty and Support

For detailed information regarding warranty, advanced settings, or further technical support, please refer to the official user manual PDF provided by the manufacturer. A comprehensive user manual (PDF) is available for download or viewing.

For additional support, please contact your retailer or the manufacturer directly.

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Bafang DZ41