Varstrom VD618 E-Bike Display User Manual

1. Safety Notes

Please take caution when using the display. Adhere to the following safety guidelines:

• Do NOT plug or unplug the display while your E-bike is powered ON.
• Avoid clashes or bumps to the display.
• Avoid using in heavy rains, snows, or long exposure to strong sunlight. Do NOT tear the water-proof film on the surface of the screen, otherwise the water-tight performance of the product may be degraded.
• Unauthorized adjustment to default settings is NOT suggested, otherwise normal use of your E-bike cannot be guaranteed.
• When the display product does not work properly, please send it for authorized repair in time.

2. Product Overview

The Varstrom VD618 E-Bike Display features a high-brightness anti-glare color LCD and a minimalist interface, serving as an ideal Human-Machine Interface (HMI) solution for EN15194 electric bikes. It provides essential ride data and reliable control for various e-bikes, prioritizing a clear view and dependable performance in all conditions.

Overview of the VD618 Digital Display showing battery level, speed, power, assist level, and other indicators.

3. Setup and Installation

3.1. Compatibility

The VD618 display is designed for E-bikes using the CAN BUS system. It is specifically compatible with BAFANG CAN BUS Mid Drive Motors.

• Protocol: CAN Protocol (5-pin Male Triangular Connector)
• Fit For: BAFANG CAN BUS Mid Drive Motors (e.g., M200, M300, M400, M410, M420, M500, M560, M510, M600, M620, M800, M820, and BAFANG NEWEST CAN Version BBS Motor).
• NOT Compatible With: UART Protocol (5-pin Female Round), other brand motors (e.g., H400), BAFANG Hub Motors, or BAFANG BBS Series Motor (UART Version).

Compatibility chart illustrating the required CAN Protocol connector and compatible BAFANG mid-drive motors.

3.2. Assembly

The VD618 display and its keypad are designed for easy mounting on most handlebars.

1. Display Unit: Open the holder ring/rubber spacer of the display and fix it on the handlebar. Adjust it to a proper facing angle. Use an M4 Hex Wrench to fix and tighten the screws. Standard fixing torque: 1N·m.
2. Keypad Unit: Open the holder ring/rubber spacer of the keypad and fix it on the handlebar. Adjust it to a proper facing angle. Use an M3 Hex Wrench to fix and tighten the screws. Standard fixing torque: 1N·m.
3. Handlebar Compatibility: The adjustable mount fits handlebar diameters of 31.8mm, 25.4mm, and 22.2mm. The button holder fits Ø22.2mm.

*Damage due to excessive fixing torque is not covered by warranty.

Diagram showing the assembly of the display and keypad onto the handlebar, including recommended torque values.

Visual representation of the display's compatibility with various handlebar diameters (Ø22.2mm, Ø25.4mm, Ø31.8mm).

3.3. Connection

Plug the 5-pin male triangular connector of the display to the corresponding coupling connector of your E-bike's controller. Ensure the wiring matches the diagram below.

Wiring diagram for the 5-pin display connector and the EB1T4 connector, showing pin assignments (Green CAN H, Black GND, Brown P+, Orange Key signal, White CAN L).

Attention: If the wiring diagram is different, the display will not work.

4. Operating Instructions

4.1. Keypad Layout

The keypad features 5 buttons for controlling the display and E-bike functions:

• + (Plus Key): Increase assist level, navigate settings.
• - (Minus/Walk Assist Key): Decrease assist level, activate walk assist, navigate settings.
• ⏻ (On/Off Key): Power on/off, enter/exit settings, save settings.
• 💡 (Light Key): Turn front light on/off.
• ⓘ (Info Key): Toggle display information (ODO, TRIP, TIME).

4.2. Key Operations

Press and Hold: Press and hold the key(s) for more than 2 seconds.
Press: Press the key(s) for less than 0.5 seconds.
Double Tap: Double tap the key(s) within 0.3 seconds.

4.2.1. Power On/Off

• Turn On: When off, press and hold the On/Off Key. The display will show the boot interface, then enter the riding interface. (If a boot password is activated, enter it at start).
• Turn Off: When on, press and hold the On/Off Key. The display will turn off. It will also auto-off if no operation is engaged for 5 minutes (auto-off time is configurable in settings).

4.2.2. Assist Level

Press the Plus Key (+) or Minus Key (-) to switch assist levels. Default levels are 0/1/2/3/4/5 (0 means no assist power). Customizable to 3, 5, or 9 levels in settings.

4.2.3. Toggle Displays

When the display is on, press the Info Key (ⓘ) to toggle among ODO (total range), TRIP (single trip range), TIME (riding time), etc.

4.2.4. Light On/Off

• Turn On: When the front light is off, press the Light Key (💡). The light icon will show on the riding interface.
• Turn Off: When the front light is on, press the Light Key (💡). The light icon will turn off.

4.2.5. Walk Assist Mode

• Engage: On the riding interface, press and hold the Minus Key (-) to enter walk assist mode (6 km/h boost). The walk mode icon will show, and real-time speed will be displayed.
• Disengage: Release the Minus Key (-). The icon will turn off.

4.2.6. Speed Limit Switch

• Disable Speed Limit: On the riding interface, when in speed limit mode, press and hold the Plus Key (+) and Minus Key (-) together.
• Enable Speed Limit: On the riding interface, when in limitless speed mode, press and hold the Plus Key (+) and Minus Key (-) together.
• Quick 25 km/h Limit: Hold + and - together on the main screen.

4.3. Display Interface

4.3.1. Riding Interface

The main screen displays real-time riding information:

• Status: Front Light, Brake, Low Voltage, etc.
• Battery Status: Residual Battery Percentage, Low Battery Alert.
• Speed: Real-time (SPEED), Max (MAX), Average (AVG) in km/h or mph.
• Distance: Single-trip (TRIP), Total travel (ODO).
• Power: Motor power (Wh), Current (CUR), Voltage (VOL).
• Assist Level: Current pedal assist level (PAS).
• Headlight Indication, Walk Mode, Status/Relay/Error.

4.3.2. Setting Interface

Displays the setting item (e.g., P01) and its parameter value.

4.3.3. Error Interface

Displays an "ERROR" indicator and a specific error code (e.g., 06).

4.4. Settings

4.4.1. Setting Operations

1. Enter Settings: When the display is on, double tap the On/Off Key (⏻).
2. Adjust Settings: On the Settings interface, press the On/Off Key (⏻) to enter the setting item. Use Plus Key (+) or Minus Key (-) to set values. The value will blink after change. Press On/Off Key (⏻) to save and switch to the next item.
3. Save and Exit Settings: Double tap the On/Off Key (⏻) to exit and save. The system will also save and exit automatically if there's no operation for 10 seconds.
4. Advanced Settings Password: 1919 (for P05, P06).
5. Password Recovery: If you forget your password, press - five times, then + once to reset.

4.4.2. Setting Items (P01-P10)

• P01: Backlight Brightness: 1 (darkest) to 5 (brightest).
• P02: System Unit: 0 (km/metric); 1 (mile/imperial).
• P03: Auto-Off Time: 0 (never), 1-60 minutes.
• P04: Pedal Assist Level: Configure PAS levels (0-3, 1-3, 0-5, 1-5, 0-9, 1-9).
• P05: Wheel Size (Password 1919 Protected): Unit: inch; Increment: 0.1; Range: 0.1~50.0.
• P06: Speed Limit (Password 1919 Protected): Range: 0-100 km/h.
• P07: Trip/ODO Clearance: Press Plus or Minus key to select TRIP/ODO. Press and hold Plus key for 5s to clear. Press and hold Minus key for 5s to restore factory settings.
• P08: Auto-Light: 0 (deactivated), 1 (activated).
• P09: Sensitivity of Light Sensor: Range: 20-100.
• P10: Boot Password: Default: none. To remove, enter 0000.

Illustration of the automatic backlight feature, adjusting display brightness for day and night conditions.

5. Maintenance

To ensure the longevity and optimal performance of your VD618 display, follow these general maintenance tips:

• Cleaning: Wipe the display screen and body with a soft, damp cloth. Avoid using abrasive cleaners or solvents.
• Protection: Protect the display from direct impacts and extreme temperatures.
• Water Resistance: While rated IP66, avoid submerging the display in water or directing high-pressure water jets at it. Do not tamper with the waterproof film on the screen.
• Cable Inspection: Periodically check the connection cables for any signs of wear, damage, or loose connections.

6. Troubleshooting

6.1. Error Codes

If an error occurs, the display will show an "ERROR" indicator and a corresponding code. Refer to the table below for common error codes and their meanings:

If you encounter an error not listed or cannot resolve an issue, please contact authorized service personnel.

7. Specifications

Detailed product specifications including dimensions and key features.

8. Warranty and Support

Sciwil provides a limited warranty period covering 24 months after the date of manufacturing (as indicated by the serial number), applicable to quality issues during normal operations. The limited warranty shall not be transferred to a third party other than as specified in the agreement with Sciwil.

8.1. Warranty Exclusions:

• Products that have been opened, modified, or repaired without authorization.
• Damage on the connectors.
• Damage to the surface after leaving the factory, including shell, screen, buttons, or other appearance parts.
• Damage to wiring and cables after leaving the factory, including breaks and exterior scratch.
• Damage or loss due to force majeure (e.g., fire or earthquake) or natural disaster (e.g., lightning).
• Out of the warranty period.

For support or warranty claims, please contact your authorized dealer or Varstrom customer service.

9. User Tips

• Bafang M400/M200 Compatibility: Users have confirmed that the VD618 display works well with Bafang M400 and M200 mid-drive motors. Ensure your motor uses the CAN protocol.
• Installation: Take care not to overtighten mounting screws to avoid damage, as this is not covered by warranty.
• Wiring: Double-check the wiring diagram before connecting to ensure proper function and prevent damage.