KD218 E-bike Intelligent LCD Display User Manual

Key Features and Operations

The KD218 display offers a range of functionalities designed to enhance the e-bike riding experience. Key features include:

• Real-time speed, maximum speed, and average speed indication.
• Switchable units between kilometers (KM) and miles (MILE).
• Intelligent battery State of Charge (SOC) indicator with stable readings.
• Adjustable display brightness across 5 levels.
• Mileage tracking (ODO and Trip distance) up to 99999.
• Push-assistance mode for walking alongside the e-bike.
• Multiple Power Assist System (PAS) levels (e.g., 0-3, 1-5, 0-9).
• Display of motor power output in Watts (W).
• Power-on password protection for enhanced security.
• Customizable wheel diameter and speed limit settings.
• Error code display for system diagnostics.

General Operations:

• Switching E-bike System ON/OFF: Hold the power button for 3 seconds to turn the system on, and 2 seconds to turn it off. The system automatically powers off after 10 minutes of inactivity.
• Display Interface Navigation: Cycle through different information screens (Max Speed, Avg Speed, Trip Time, ODO) by pressing the ON/OFF button.
• Push-Assistance Mode: Activate by holding the '-' button for over 2 seconds. The e-bike moves at a uniform speed of 6 Km/h. Release the button to deactivate. Use with caution when the bike wheels are not in contact with the ground.
• Lighting Control: Turn e-bike lights on/off by holding the '+' button for 2 seconds. This may also adjust display backlight brightness.
• Assist Level Adjustment: Use the '+' and '-' buttons to change the power assist level, affecting motor output.

Settings and Customization

The KD218 display allows for extensive customization through its 'Display Setting' and 'Advanced Settings' menus. Access these by holding the '+' and '-' buttons simultaneously for 2 seconds.

Display Settings include:

• Trip Distance Clearance: Reset the trip distance to zero.
• Toggle Unit: Switch between Metric (KM) and Imperial (Miles) units.
• Wheel Diameter: Set the correct wheel size for accurate speed and distance readings.
• Speed Limit: Configure the maximum speed before the system limits power output.
• Battery Power Bar Settings: Adjust voltage settings for different battery types (e.g., 24V, 36V, 48V) to ensure accurate battery level indication.
• Sensitivity: Adjust the sensitivity of the Power Assist System (PAS) for a more responsive or smoother pedaling experience.

Advanced Settings include:

• PAS Level Settings: Choose from various PAS level modes (e.g., 0-3, 1-5, 0-9).
• PAS Level Ratio Settings: Fine-tune the power output percentage for each assist level.
• Controller Over-current Cut Settings: Set the maximum current limit for the controller.
• Power Assistant Sensor Settings: Configure the number of magnets on the PAS disk for accurate assistance detection.
• Speed Sensor Settings: Adjust settings related to the speed sensor.
• Slow Start up Settings: Control the ramp-up time for power assist when starting from a standstill.
• Backlight Brightness Settings: Adjust the LCD screen brightness.
• Power-on Password Settings: Enable, disable, or reset the power-on password for security.

Troubleshooting and Warranty

The display continuously monitors system components and will indicate error codes if issues are detected. Refer to 'Attached List 1: Error Code Definitions' for specific error code meanings. If an error code appears, it is recommended to have the display inspected and repaired by an authorized dealer.

Warranty Information: The warranty is valid for 24 months from the date of shipment or delivery, provided the product is used under normal conditions. The warranty does not cover damage caused by demolition, incorrect installation or operation, external damage, wire breakage, or force majeure events.

Connection Layout: The manual includes a diagram illustrating the wire connection sequence for the display to the controller, specifying wire colors and their functions (VCC, Lock, GND, RX, TX).

Important Warnings:

• Exercise caution when handling connectors, especially when the battery is powered.
• Avoid hitting the display.
• Do not modify system parameters without proper understanding, as it may lead to disorder.
• Seek professional repair for any displayed error codes.