1. Introduction
This manual provides detailed instructions for the installation, operation, and maintenance of your Lioaeust 48V 20A Electric Scooter Brushless Motor Controller Kit. This kit is designed for compatibility with KUGOO M4 and other 10-inch electric scooters, offering efficient power delivery and precise control.
Safety Warning:
It is illegal to operate electric scooters on public roads, sidewalks, or cycle paths in some regions. This product is intended for use on private property with the owner's permission. Always adhere to local regulations and safety guidelines when operating electric scooters.
2. Product Components
The Lioaeust 48V 20A Electric Scooter Controller Kit includes the following components:
- 1 x Controller Unit
- 1 x Display Control Panel (TF-100)
- 1 x Extension Cable

Image 2.1: Overview of the Lioaeust Electric Scooter Controller Kit, showing the controller unit, display control panel, and extension cable.
3. Specifications
Key technical specifications for the controller kit:
- Brand: Lioaeust
- Model Number: 1118668253
- Controller Voltage: 48V
- Current: 20A
- Display Pins: 6-pin
- Material: Aluminum Alloy, PCB, Plastic
- Controller Dimensions (approx.): 10 cm (Length) x 7 cm (Width) x 4 cm (Height)
- Weight (approx.): 400 g per set

Image 3.1: The controller unit, illustrating its approximate dimensions of 10cm in length and 7cm in width.
4. Setup and Installation
The controller kit is designed for straightforward installation. Follow these general steps:
- Preparation: Ensure the electric scooter is powered off and disconnected from any power source before beginning installation.
- Mount the Display Control Panel: Attach the display control panel (TF-100) to the scooter's handlebars using the integrated clamp. Secure it firmly.
- Connect the Display: Connect the 6-pin connector from the display control panel to the corresponding port on the controller unit. Ensure the connection is secure and correctly aligned.
- Install the Controller Unit: Mount the controller unit in a suitable, protected location on the scooter, typically within the scooter's frame or a dedicated compartment.
- Connect Motor and Power: Connect the motor wires, battery power wires, and other necessary sensor wires from the scooter to the controller unit. Refer to your scooter's specific wiring diagram for precise connections.
- Secure Wiring: Ensure all cables are neatly routed and secured to prevent interference or damage during operation.

Image 4.1: A close-up view of the 6-pin connector, highlighting the connection point for the display control panel.
5. Operating Instructions
Once installed, the controller and display panel allow for control over your electric scooter's functions:
- Power On/Off: Press and hold the power button on the display control panel to turn the scooter's electrical system on or off.
- Mode Selection: Use the 'MODE' button to cycle through different riding modes or settings available on your scooter. The display will show the current mode.
- Information Display: The TF-100 display provides real-time information such as speed, battery level, and selected riding mode.
- Acceleration: The controller provides efficient power delivery for smooth acceleration based on throttle input.

Image 5.1: The TF-100 display control panel, featuring the power button and mode selection button for scooter operation.
6. Maintenance
Proper maintenance ensures the longevity and optimal performance of your controller kit:
- Regular Inspection: Periodically check all connections for tightness and signs of wear or corrosion.
- Cleaning: Keep the controller unit and display panel clean and free from dust, dirt, and moisture. Use a soft, dry cloth for cleaning. Avoid using harsh chemicals or abrasive materials.
- Environmental Protection: Protect the controller from extreme temperatures, direct sunlight, and water exposure. While durable, excessive exposure can affect performance.
- Cable Integrity: Inspect all cables for cuts, fraying, or damage. Replace any damaged cables immediately to prevent electrical issues.
7. Troubleshooting
If you encounter issues with your controller kit, consider the following troubleshooting steps:
- No Power/Display Not Lighting Up:
- Check the battery connection to the controller.
- Ensure the 6-pin display cable is securely connected to both the display and the controller.
- Verify the scooter's main power switch is on.
- Motor Not Responding:
- Inspect motor phase wires and Hall sensor wires for proper connection to the controller.
- Check for any error codes displayed on the TF-100 panel.
- Intermittent Operation:
- Loose or corroded connections can cause intermittent issues. Re-seat all connectors.
- One user review indicated that cables might need re-soldering in some cases. If you have advanced technical skills, inspect cable integrity and solder points.
- Overheating:
- Ensure the controller is installed in a location with adequate airflow.
- Avoid prolonged heavy loads that could cause excessive heat buildup.
If problems persist after basic troubleshooting, it is recommended to consult a qualified technician or contact the manufacturer for further assistance.
8. Warranty and Support
For information regarding warranty coverage, returns, or technical support, please refer to the documentation provided at the point of purchase or contact the retailer/manufacturer directly. Keep your purchase receipt as proof of purchase.