1. Introduction
The Bafang EB02 Display is an intelligent smart display controller designed for Bafang Mid Motors. This advanced display offers a clear view of your e-bike's performance, featuring speed limit adjustments, Bluetooth connectivity, call reminders, and map navigation. Developed in 2022, it is compatible with various Bafang motor series including BBS0102, M400/G330, M500/G520, M600/G521, M510/G522, M620/G510, and M800/G530.
The EB02 display is available with two types of plugs: UART and CAN. It is crucial to select the correct plug type compatible with your Bafang motor. If unsure, please consult customer service.
Key features include:
- Multi-national language support (English, German, French, Italian, Spanish, Czech, Dutch).
- IP67 waterproof standard for durability in various weather conditions.
- Bluetooth function with map navigation, allowing clear road condition display without needing to constantly check your mobile phone.
- Mobile phone information and call reminder display when connected via Bluetooth.
- Companion app supports both iPhone and Android systems.
2. Specifications
Below are the general parameters and dimensions for the EB02 Display:
| Parameter | Value |
|---|---|
| Length*Width*Height | 86.8*50.5*12.5 (mm) |
| Screen Dimensions | 2.4" |
| Handlebar Adaption | 22.2/26 (mm) |
| Screen Type | IPS |
| Screen Color | RGB |
| Screen Resolution | 320*240px |
| Connector Type | M5 Waterproof Connector |
| Connector Length | 20 cm |
| Voltage | 12V/32V/48V/60V |
| Working Temperature | -20 °C - +70 °C |
| Waterproof Grade | IP67 |
| Weight | 67g |
| Communication Protocol | UART/CAN |
| Bluetooth | 4.0 + BLE |
| Type-C interface | Optional |
| Certification | CE / RoHS / REACH |
3. Setup and Installation
The EB02 display is designed for easy installation on your e-bike's handlebar. Ensure you have the correct UART or CAN plug type for your Bafang motor before installation.
3.1. Mounting the Display
The display is designed to adapt to 22.2mm or 26mm handlebars. Securely attach the display to your handlebar using the provided mounting bracket. Connect the display cable to your Bafang motor's corresponding port (UART or CAN).
3.2. Initial Power On and Password
To power on the display, long press the "Switch" button. The instrument will power on and enter the main interface. The initial password to access settings is 0000.
3.3. App Download and Bluetooth Pairing
To utilize Bluetooth features like map navigation and call reminders, download the "BIKE GO" app on your smartphone. The app is available for both iPhone (App Store) and Android (via QR code).
Once installed, open the app and follow the instructions to pair with your EB02 display via Bluetooth. The display will show a QR code for easy pairing (see Section 5.6 for detailed steps).
4. Operation
4.1. Button Definitions
The EB02 display features three main buttons: '+', '-', and 'Power'.
- '+' Key: Long press to turn on/off headlights.
- '-' Key: Long press to enter/cancel boost mode.
- Power Key: Long press to power on/off the instrument.
4.2. Main Interface Display
The main interface provides real-time information about your ride:
- Headlight Display: Indicates headlights on/off state.
- Navigation Function: Lights up when mobile app is connected and navigation starts (real-time navigation may require a fee).
- Maintenance Tips: Reminder signs for vehicle breakdowns or maintenance.
- Cruise Control: Icon lights up when vehicle enters constant speed cruise.
- Bluetooth Function: Bluetooth logo lights up when mobile app is successfully connected.
- Power Alert: Displays real-time power.
- Gear Display: Shows current assist level (0-5 gears).
- Real-time Speed: Current speed of the vehicle.
- ODO: Accumulated total mileage.
- TRIP: Single ride mileage.
- AVG: Average riding speed.
4.3. Power Gear Selection
After entering the main interface, use the '+' or '-' buttons to switch the power assist gear. The default setting is 0-5 gears. Gear 0 provides no power output, Gear 1 is the lowest assist, and Gear 5 is the highest. The display defaults to Gear 0 when powered on.
4.4. Headlight/Backlight Switch
- To turn on: Long press the '+' key when the light is off. The screen headlight logo will light up, and the instrument's brightness will dim.
- To turn off: Long press the '+' key when the light is on. The screen headlight logo will not disappear, but the display will show a gray headlight switch display interface.
4.5. Booster Mode
When the e-bike is stationary, click the '-' button to set to 0 gear. Press the '-' key again to activate the static boost mode. The boost logo will appear. In push mode, the boost logo is dynamically displayed, and the vehicle speed is less than 6km/h. If the push state is stopped, the boost logo disappears, and the static boost logo state is restored. If no button is pressed within 5 seconds in static boost, it automatically adjusts to 0 gear.
5. Settings
To access the settings menu, press the 'Power' button. Use the '+' and '-' keys to navigate through options and 'Power' to select or confirm.
5.1. Display Settings
Navigate to "Display Setting" in the main menu. Options include:
- Unit: Switch between Metric and Imperial units. The device defaults to the imperial system.
- Auto Off: Set the time (1-10 minutes) after which the display automatically turns off due to inactivity. "OFF" disables auto-shutdown. Any operation during this time will reset the timer.
- TRIP Reset: Reset single trip mileage. Select "YES" to clear, "NO" to keep.
- Brightness: Adjust backlight brightness (30%, 50%, 75%, 100%).
- MAX PAS: Maximum gear setting (usually 5, not adjustable).
- BT Rssi Level: Bluetooth distance class setting (1 is near, 5 is far).
5.2. Information Viewing
From the "Information" menu, you can view:
- Wheel Size: Set wheel diameter (default 26 inches, configurable from 16-29 inches).
- Speed Limit: Adjust speed limit (00-100 km/h). Default is 36 km/h for metric, 2.50 MPH for imperial.
- Display Info: View instrument software and hardware version numbers.
- Error Code: Check for error messages. "00" means no error.
5.3. Language Selection
From the "Language" menu, select your preferred language from English, German, Dutch, French, Italian, Spanish, and Czech.
5.4. Theme Menu
The B02 display offers 4 different theme styles. Navigate to "Themes" and select Theme 1, 2, 3, or 4.
5.5. Password Settings
To manage password settings, navigate to the "Password" option.
- Turn off password function: Select "Start Password" (if status is ON) and confirm. Enter the old password (default 0000) to disable.
- Turn on/modify password: Select "Start Password" (if status is OFF) or "Reset Password". You will be prompted to enter a new password. Use '+' and '-' to toggle numbers, and 'Power' to switch digits. Confirm the new password.
Note: After the initial password is modified, you must enter a new password to enable the display password function. Do not change the initial password unless necessary.
6. Bluetooth Connection
To connect your EB02 display to the "BIKE GO" app on your smartphone:
- Navigate to the "Bluetooth" option in the display's settings menu.
- Press the 'Power' button to enter the Bluetooth QR code interface.
- Open the "BIKE GO" app on your smartphone and use its scan function to scan the QR code displayed on the EB02.
- Once successfully bound, the device interface will automatically jump to the main interface, and the Bluetooth function ID will light up.
The display also supports Bluetooth lock settings, which are turned on by default. If Bluetooth lock is enabled and there is no connection to the mobile app, the Bluetooth QR code interface will pop up.
6.1. Map Navigation
When the mobile phone application connects the Bluetooth of the display, you can select a destination to start navigation. The main interface display will change to show navigation prompts:
- Current steering prompt and distance: Shows current turn and distance.
- Next turn prompt and distance: Shows next turn and distance.
- The distance to the end point: Total remaining distance to destination.
Note: The map navigation function, provided in cooperation with MAPBOX, charges a service fee of $10 after 10 free uses. This is a one-time charge collected by the map company and does not affect other Bluetooth functionalities if you choose not to pay.
6.2. Call and Message Reminders
When Bluetooth is connected, the display will show text messages, phone calls, and various other information directly on the screen, ensuring you stay informed without distraction.
7. Troubleshooting
The EB02 display can show error codes to help diagnose issues. Refer to the table below for common error codes and their troubleshooting methods.
| Error Code | Fault Description | Troubleshooting Methods |
|---|---|---|
| "04" | The speed control put is not returned | Check whether the speed control is in place |
| "05" | Speed regulation put fault | Check the speed gauge |
| "07" | Overvoltage protection | Check the battery voltage |
| "08" | Motor Hall signal line failure | Check the motor module |
| "09" | The motor phase line is faulty | Check the motor module |
| "10" | The temperature inside the motor is too high | Check the motor |
| "11" | Motor temperature sensor failure | Stop riding |
| "12" | Current sensor failure | Check the controller |
| "13" | Failure of temperature inside the battery | Check the battery |
| "14" | The temperature inside the controller is too high | Check the controller |
| "15" | Controller temperature sensor failure | Stop riding |
| "21" | Speed sensor failure | Check the mounting position of the tachydisplay sensor |
| "25" | Torque sensor torque signal failure | Check the torque |
| "26" | The torque sensor speed signal is faulty | Check the torque |
| "30" | Communication failure | Check the controller connector |
| "27" | Controller overcurrent | Check the controller |
| "33" | The brake detects a circuit failure | Check the controller |
| "35" | The 15V power supply detects a fault | Check the controller |
| "36" | The key detects a circuit fault | Check the controller |
| "37" | Watchdog malfunction | Check the controller |
| "61" | The transmission is stuck | Check the transmission |
| "62" | The transmission cannot be reset | Check the transmission |
| "81" | Bluetooth module failure | Check Bluetooth |
| "41" | The total voltage is too high | Check the battery |
| "42" | The total voltage is too low | Check the battery |
| "43" | The total current is too large | Check the battery |
| "44" | The monomer voltage is too high | Check the battery |
| "45" | High temperature (battery) | Check the battery |
| "46" | Temperature too low (battery) | Check the battery |
| "47" | SOC is too high (battery) | Check the battery |
| "48" | SOC is low (battery) | Check the battery |
| "71" | The electronic lock is stuck | Check the electronic lock |
7.1. Menu Function Descriptions (Less Commonly Used)
Some menu functions are less commonly used but provide specific controls:
| Menu Function | Functional Description |
|---|---|
| shifter | Turnbar drive |
| drive mode assistance | Power drive |
| drive mode s&a | Turnbar power drive |
| boost magetic | Power magnet number (2-63) |
| speed magetic | Measure the number of magnetic steels for speed (0-15) |
| boost ratio | Power Speed Follow Adjustment (0-255) |
| gear step off/on | Whether the turn is divided with the gear position (0-none, 1-min) |
| current limit | Current-limit value (0-63) |
| boost signal positive/negative | Positive/Negative Signal Direction (positive-positive-negative) |
| pwm set | The change of the maximum gear and the corresponding pwm of each gear (1-255) |
8. User Tips
- PAS Levels: The display offers 0-5 power assist levels by default, which can be configured.
- Motor Compatibility: The EB02 display is compatible with M420 CAN motors and other Bafang motors supporting CAN or UART protocols. Ensure you select the correct display version (CAN or UART) for your motor.
- Speed Limit Adjustment: The display allows you to adjust the speed limit from 00 to 100 km/h. This feature can be used to unlock or set specific speed limits for your e-bike.
- Settings Persistence: Settings configured on the EB02 display are stored on the display itself. If you swap to a different display, the new display will use its own settings or default values.
- USB-C: A Type-C interface is optionally available for the display.
- App Usage: Remember to use the "BIKE GO" app for Bluetooth connectivity and not the "Bafang Go" app.
9. Maintenance
To ensure the longevity and optimal performance of your EB02 display:
- Keep the display clean using a soft, damp cloth. Avoid abrasive cleaners or solvents.
- Ensure all connections are secure and free from dirt or moisture.
- The display is IP67 waterproof, but avoid prolonged submersion or high-pressure water jets.
- Store the e-bike and display in a dry, temperate environment when not in use.
- Regularly check for any error codes and address them promptly using the troubleshooting guide.
10. Warranty and Support
For any technical assistance, warranty claims, or further inquiries, please contact the awsurge E-Bike Store customer service. Ensure you have your product model and purchase details ready for efficient support.
⚠️️ Please mind potential fire risk and strictly follow the instruction manual for charging and storage.