YoLin YL81F EBike LCD Display User Manual

1. Product Overview

The YoLin YL81F is a smart, bezel-less color LCD display designed for electric bicycles and scooters. It serves as a control panel and meter, providing riders with crucial information and customizable settings for an enhanced riding experience. This manual provides instructions for its installation, operation, and maintenance.

Important Purchase Note: There are different LCD Display protocols on various e-bike brands. Before purchasing, it is crucial to contact customer service to confirm the correct LCD Display protocol for your e-bike to ensure compatibility. Failure to do so may result in an incompatible display.

2. Specifications

3. Installation and Setup

3.1 Handlebar Mounting

The YL81F display is designed to be mounted on your e-bike's handlebar. Ensure your handlebar diameter is compatible with the display's mounting bracket.

3.2 Wiring Connection

Connect the display to your e-bike's controller according to the standard cable sequence and color function. Incorrect wiring can damage the display or controller.

Standard Cable Sequence and Color Function:

1. Red (VOC): Meter power cord
2. Blue (Kp): Controller power control wire
3. Black (GND): Instrument ground wire
4. Green (RX): Data receiving line of the instrument
5. Yellow (TX): Data transmission line of the instrument

Note: The display is waterproof, but ensure all connections are secure and properly sealed to prevent water ingress.

4. Operation

The YL81F display provides a comprehensive interface for monitoring and controlling your e-bike. The display features a bezel-less color screen for clear visibility.

4.1 Display Functions

• Power Level Display: Shows the current battery charge level.
• Assisted Gear Adjustment and Indication: Allows selection of pedal-assist levels and displays the current gear.
• Speed Display: Includes real-time speed, maximum speed, and average speed (KM/H or MPH).
• Mileage Display: Shows single trip mileage (TRIP) and total mileage (ODO), along with maximum (MAX) and average (AVG) values.
• Assisted Push Control and Indication: Activates and indicates walk-assist mode.
• Headlight Control and Indication: Controls the e-bike's headlights and shows their status.
• Error Code Display: Indicates system malfunctions with specific error codes.
• Motor Power Indication: Displays the current motor power output.
• USB Connection Indication: Shows if a USB device is connected (if applicable).
• Cruise Indication: Indicates when cruise control is active.
• Bluetooth Connection Indication: Shows Bluetooth connectivity status (if applicable).

4.2 Personalized Parameter Settings

The display allows for customization of various parameters to suit your preferences and e-bike configuration. These settings typically include:

• Wheel diameter setting
• Speed limit adjustment
• Battery power setting
• Booster parameter setting
• Power-on password setting
• Controller current limit setting

Refer to your e-bike's specific controller manual or the display's advanced settings menu for detailed instructions on how to access and modify these parameters. There is also a factory default parameter recovery function available.

5. Troubleshooting

If you encounter issues with your YL81F display, consider the following general troubleshooting steps:

• Display Not Turning On: Check all cable connections, especially the power cord (Red wire) and ground wire (Black wire). Ensure your e-bike's battery is charged and turned on.
• Incorrect Readings (Speed/Mileage): Verify the wheel diameter setting in the display's parameters. Ensure the speed sensor on your e-bike is correctly installed and functioning.
• Error Codes Displayed: Note down any error codes shown on the display. Consult your e-bike's controller manual or contact technical support with the error code for specific diagnosis.
• Functions Not Responding: Check the connection of the remote control unit. If issues persist, try performing a factory default parameter recovery.
• Intermittent Operation: Inspect all wiring for loose connections or damage. Ensure the display is securely mounted and not exposed to excessive vibration.

For persistent problems, it is recommended to consult a qualified e-bike technician or contact the product's customer support.

6. Maintenance

Proper maintenance will ensure the longevity and optimal performance of your YL81F display:

• Cleaning: Regularly wipe the display screen with a soft, damp cloth. Avoid using abrasive cleaners or solvents that could damage the screen or casing.
• Connection Checks: Periodically inspect all cable connections for tightness and signs of wear or corrosion.
• Water Exposure: While the display has an IP65 waterproof rating, avoid prolonged exposure to heavy rain or submersion. Ensure the waterproof cap for the USB port (if present) is securely closed when not in use.
• Storage: When not in use for extended periods, store the e-bike and display in a dry, temperate environment.

7. Warranty and Support

This product is covered by standard AliExpress buyer protection policies. For specific warranty details, please refer to the terms and conditions provided at the time of purchase or contact the seller directly.

• Free Returns: Enjoy free returns within 90 days of purchase.
• Fast Delivery Guarantee: If delivery is delayed, a $1.00 coupon code may be provided. Refunds are available if the package is lost or items are damaged during transit, or if no delivery occurs within 30 days.
• Security & Privacy: AliExpress ensures secure payments and protects your personal details, not sharing them with third parties without consent.

For technical assistance or warranty claims, please contact the seller through the AliExpress platform.