Yolin YL81C E-bike LCD Display User Manual

1. Important Information & Compatibility

This manual provides instructions for the Yolin YL81C LCD Display, designed for e-bikes. Please read carefully before installation and use.

Important Compatibility Note:

The YL81C color LCD display uses specific communication protocols. Different e-bike brands may use different LCD Display protocols. Before purchasing or installing, it is crucial to verify that the YL81C display's protocol is compatible with your e-bike's controller. Failure to do so may result in the display not functioning correctly with your e-bike. Please consult your e-bike manufacturer's specifications or contact customer service for compatibility verification.

2. Product Overview

2.1. Features

• Battery level indicator
• Auxiliary (PAS) level adjustment and indication
• Headlight indicator
• Speed indicator (real-time speed, maximum speed (MAXS), and average speed (AVG))
• Distance indicator (Odometer (ODO) and trip distance (TRIP))
• Error code indicator
• Parameter setting function

2.2. Controls

The YL81C display features intuitive buttons for easy operation:

• Power Button (Top):
  - Hold for 2 seconds to switch the display on or off.
  - Press briefly for menu transition.
• '+' Button (Bottom Left):
  - Hold for 2 seconds to switch the e-bike's light on or off.
  - Press briefly to increase values or assist level.
• '-' Button (Bottom Right):
  - Press briefly to decrease values or assist level.

2.3. Display Elements

The LCD screen provides comprehensive information about your ride:

• Battery Level Indicator: Shows the current charge of your e-bike battery.
• Speed Indicator: Displays your current riding speed.
• Assist Level Indicator (PAS): Shows the current pedal assist level (e.g., 0-3, 1-5).
• Maximum Speed (MAXS): Records the highest speed achieved during the current trip.
• Trip Distance Indicator (TRIP): Shows the distance covered in the current trip.
• Odometer (ODO): Displays the total accumulated distance.
• Headlight Indicator: Illuminates when the e-bike's headlight is active.
• Speed Unit: Indicates whether speed is displayed in km/h (Metric) or MPH (Imperial).
• Distance/Speed Unit: Specifies the units used for distance (km or mile) and speed (km/h or MPH).
• Average Speed Indicator (AVG): Shows the average speed for the current trip.

3. Setup and Installation

Follow these steps to properly install your YL81C display:

1. Mounting: Securely attach the display to your e-bike's handlebar. The display is designed for a handlebar size of Φ22.2mm. Ensure it is positioned for optimal visibility and accessibility of controls.
2. Wiring: Connect the display to your e-bike's controller using the provided 5-hole female connector. Waterproof wires are recommended for durability and protection against elements. Ensure the connection is firm and secure.

Note:

Always ensure the e-bike's power is off before connecting or disconnecting the display to prevent damage to electrical components.

4. Operation

Operating your YL81C display is straightforward:

1. Power On/Off: Hold the top power button for 2 seconds.
2. Menu Navigation: Briefly press the top power button to cycle through different display menus or information screens.
3. Adjusting Assist Level: Use the '+' and '-' buttons to increase or decrease the pedal assist level (PAS). The available PAS levels are typically 0-3, 1-3, 0-5, or 1-5, depending on your e-bike's configuration.
4. Headlight Control: Hold the '+' button for 2 seconds to turn the e-bike's headlight on or off.
5. Parameter Settings: The display supports parameter setting functions. Refer to your e-bike's main controller manual or contact customer service for detailed instructions on accessing and modifying these settings, as they can vary.

5. Maintenance

• Cleaning: Use a soft, damp cloth to clean the display screen. Avoid abrasive cleaners or solvents that could damage the screen or casing.
• Water Resistance: The display is rated IP65 waterproof, meaning it is protected against dust and low-pressure water jets. While it can withstand splashes and light rain, avoid submerging it in water or exposing it to high-pressure water.
• Temperature: Operate the display within the specified operating temperature range of -20°C to 60°C. Store it within -30°C to 70°C. Extreme temperatures can affect performance and lifespan.
• Connections: Periodically check all connections to ensure they are secure and free from corrosion.

6. Troubleshooting

• Display Not Turning On: Check the power connection to the e-bike controller. Ensure the e-bike battery is charged and powered on.
• No Data Displayed: Verify all connections are secure. Ensure the display's communication protocol matches your e-bike controller.
• Error Codes: The display features an error code indicator. If an error code appears, consult your e-bike's controller manual or contact customer service with the specific code for diagnosis.
• Replacement Parts: If you need to replace the display, locate the serial number or identification information on the back of the unit. Provide this information to customer service for accurate replacement part identification.

7. Specifications

8. User Tips

• Verify Compatibility: Always double-check the display's communication protocol against your e-bike's controller before purchase or installation. This is the most common reason for incompatibility.
• Voltage Match: Ensure your e-bike's battery voltage (36V or 48V) matches the display's specifications for proper function.
• Secure Connections: Loose connections can lead to intermittent functionality or errors. Periodically inspect all wiring.
• Handlebar Size: The display is designed for a 22.2mm handlebar diameter. Ensure your handlebar matches this specification for a secure fit.

9. Warranty and Support

For warranty information, technical support, or service inquiries, please contact the seller or manufacturer directly. Keep your purchase receipt and any product identification numbers handy when seeking support.