1. Introduction
The KT-LCD8H and KT-LCD8HU displays are designed specifically for electric bicycles equipped with KT series controllers. These displays provide essential riding information and control functions. It is crucial to note that these displays are only compatible with KT series controllers and will not function with other brands or types of controllers.
Ensure your controller has the 'KT' logo for proper compatibility with this display.
2. Safety Information
⚠️ Please be aware of potential fire risks and strictly adhere to the instructions provided in this manual for charging and storage of any related components.
3. Package Contents
Upon opening your package, please verify that all the following items are included:
- KT LCD8H / LCD8HU Display Unit
- Display Mounting Bracket
- Mounting Screws
- Rubber Mats (for handlebar mounting)
- Instruction Manual
The package typically includes the display, bracket, screws, rubber mat, and instructions.
4. Specifications
| Feature | Description |
|---|---|
| Display Type | LCD8H / LCD8HU Color Display |
| Voltage Compatibility | 24V / 36V / 48V / 60V / 72V |
| Color | Black |
| Weight | 87g |
| Dimensions (L x H) | 108mm (4.3in) x 66.7mm (2.6in) |
| Connector Type | 5-pin SM Connector (Ordinary Plug) or 5-pin WP Connector (Waterproof Plug) |
| Line Length (SM Plug) | Approx. 1800mm (70.87in) |
| Line Length (WP Plug) | Approx. 192mm (7.6in) |
| USB Output (LCD8HU only) | 5V 500mA (for charging mobile phones) |
Physical dimensions and electrical characteristics of the KT-LCD8H display.
5. Setup and Installation
Follow these steps to properly install your KT-LCD8H / LCD8HU display on your electric bicycle:
- Mount the Display: Attach the display unit to your handlebar using the provided bracket, screws, and rubber mats. Ensure it is securely fastened and positioned for optimal visibility while riding.
- Connect the Display Cable:
- For SM (Ordinary) Connector: Connect the 5-pin SM connector from the display to the corresponding port on your KT series controller.
- For WP (Waterproof) Connector: If your display has a WP connector, you will need a 1T4 waterproof cable (sold separately) to connect it to your KT series controller.
- Verify Connections: Double-check all connections to ensure they are firm and correctly aligned. Incorrect wiring can damage the display or controller.
The display unit and its remote control mounted on an ebike handlebar.
Detailed pinout and dimensions for both Waterproof (WP) and Ordinary (SM) 5-pin plugs.
Note that the Waterproof (WP) plug requires a 1T4 cable for connection.
6. Operating Instructions
The KT-LCD8H / LCD8HU display provides various functions and information. Use the UP, SW (Switch), and DOWN buttons on the remote control to navigate and adjust settings.
6.1. Displayed Information
The display shows the following real-time data and indicators:
- Speed: Real-time speed in km/h or MPH.
- Distance: Single trip distance (DST) and total travel distance (ODO).
- Time: Single travel time (TM) and total travel time (TTM).
- Battery Capacity: Visual indicator of remaining battery charge.
- Voltage: Current battery voltage.
- Motor Power: Real-time motor working power (W).
- Motor Temperature: Display of motor working temperature.
- PAS Level: Power Assist System (PAS) level (0-5 levels).
- Headlights/Taillights: Indicator for lights status.
- Brake Status: Indicator when brakes are applied.
- Cruise Function: Indicator for cruise control activation.
- 6km/h Push Function: Indicator for walk assist mode.
- Error Code: Displays fault codes for troubleshooting.
- Night Mode: Indicator for backlight activation.
A table explaining the various icons and data points shown on the LCD8H display.
6.2. Button Functions
- UP Button (▲): Increases values, navigates up in menus.
- DOWN Button (▼): Decreases values, navigates down in menus.
- SW Button (Power/Mode): Powers on/off, switches display modes, confirms selections.
6.3. USB Charging Socket (LCD8HU only)
The KT-LCD8HU model features a USB charging socket. This port provides a 5V 500mA output and can be used to charge mobile phones or other small electronic devices while riding.
The USB port on the LCD8HU model provides 5V 500mA output for charging devices.
6.4. Parameter Settings
The controller can be reprogrammed through parameter settings accessible via the display. Refer to the detailed instruction manual included in your package for specific steps on how to enter and adjust these parameters, including wheel diameter settings.
7. Maintenance
- Cleaning: Wipe the display screen with a soft, damp cloth. Avoid using abrasive cleaners or solvents that could damage the screen or casing.
- Storage: When not in use for extended periods, store the ebike and display in a dry, cool place away from direct sunlight and extreme temperatures.
- Cable Inspection: Periodically check all cables and connectors for any signs of wear, damage, or loose connections.
8. Troubleshooting
The display is capable of showing fault codes to help diagnose issues. If you encounter a problem, check the display for any error codes and consult the full instruction manual for their meanings and suggested solutions.
- Display Not Turning On: Check battery connection and ensure the display cable is securely plugged into the controller.
- Inaccurate Speed/Distance: Verify that the wheel diameter setting in the display parameters is correct.
- Motor Overheat Alarm: If the LCD motor overheat alarm activates, reduce motor load and allow the motor to cool down before continuing operation.
9. User Tips
- Compatibility is Key: Always confirm your ebike controller is a 'KT (Kunteng)' series controller. This display will not work with other brands.
- Voltage Range: The display is versatile and supports a wide range of voltages (24V, 36V, 48V, 60V, 72V). Ensure your battery and controller match the selected voltage setting on the display.
- USB Port Usage: If you have the LCD8HU model, utilize the USB port for convenient on-the-go charging of your phone or other small devices.
10. Warranty and Support
For warranty information, technical support, or service inquiries, please contact the seller or the manufacturer directly. The product is sold by HUDAMZKY-YUN Ebike Accessories Store. Keep your purchase records for any warranty claims.
