1. Introduction
This manual provides essential information for the safe and effective use of your OMT-M3 Electric Bike Display. This intelligent LCD display serves as an instrument monitor and speeder replacement part, compatible with Bafang e-bike systems. Please read this manual thoroughly before installation and operation.
2. Safety Information
- WARNING: Please be aware of potential fire risks and strictly adhere to the instructions provided in this manual for charging and storage of any associated components.
- Ensure the display is securely mounted and all connections are firm before riding.
- Do not attempt to open or modify the display unit, as this may void the warranty and pose safety hazards.
- Keep the display away from extreme temperatures, direct sunlight for prolonged periods, and moisture.
3. Product Overview
The OMT-M3 Electric Bike Display is designed to provide riders with clear and concise information about their e-bike's performance. It features a durable casing and intuitive button controls.
Figure 3.1: Front view of the OMT-M3 Electric Bike Display.
The display unit typically includes a screen for showing data and several buttons for navigation and control. The specific layout and functions are detailed in the operating instructions.
Figure 3.2: OMT-M3S Display model showing physical features and basic specifications.
4. Specifications
| Feature | Specification |
|---|---|
| Model | OMT-M3 (KD21C Series) |
| Power Supply | 24V / 36V / 48V |
| Rated Working Current | 10mA |
| Maximum Working Current | 30mA |
| Off-state Leakage Current | <1μA |
| Working Temperature | -20℃ to 60℃ (-4°F to 140°F) |
| Storage Temperature | -30℃ to 70℃ (-22°F to 158°F) |
| Dimensions (Approx.) | Length: 10 cm, Width: 8 cm, Height: 6 cm |
| Weight (Approx.) | 0.105 kg |
5. Setup and Installation
The OMT-M3 display is a customized product. Due to the varying configurations of e-bike systems, specific installation instructions, including wiring diagrams and mounting procedures, are dependent on your particular e-bike model and controller.
General Guidelines:
- Consult the Seller: It is highly recommended to contact the seller immediately after placing your order to provide details about your e-bike's make, model, and existing display/controller. This will ensure you receive the correct customized unit and specific installation guidance.
- Power Disconnection: Always ensure your e-bike's battery is disconnected before attempting any installation or wiring.
- Mounting: Securely mount the display to your handlebars using the provided bracket (if included) in a position that offers clear visibility and easy access to controls without obstructing your riding.
- Wiring: Connect the display to your e-bike's controller using the appropriate connectors. Pay close attention to pin assignments and voltage requirements. Incorrect wiring can damage the display or your e-bike's electrical system.
- Testing: After installation, reconnect the battery and perform a functional test in a safe environment before riding.
6. Operating Instructions
The OMT-M3 display provides real-time information and control over your e-bike's functions. Specific operational details, including button functions and display modes, may vary slightly based on the customization for your e-bike system.
General Functions:
- Power On/Off: Typically, a long press of the power button (often the middle button) will turn the display on or off.
- Assist Level Adjustment: Use the up/down buttons (often marked with arrows) to cycle through different pedal assist levels.
- Information Display: Short presses of a mode button (if present) may cycle through various data screens such as speed, distance, battery level, and error codes.
- Settings: A combination of button presses (e.g., long press of up and down buttons simultaneously) may enter a settings menu for advanced configurations.
For detailed instructions on specific button functions and display modes tailored to your customized unit, please refer to the information provided by the seller or contact their support.
7. Maintenance
Proper maintenance will ensure the longevity and optimal performance of your OMT-M3 display.
- Cleaning: Wipe the display screen and casing with a soft, damp cloth. Do not use abrasive cleaners, solvents, or excessive water, as these can damage the electronics.
- Connection Check: Periodically inspect all cable connections to ensure they are secure and free from corrosion or damage.
- Storage: When not in use for extended periods, store the e-bike and display in a dry, temperate environment, away from direct sunlight and extreme temperatures.
- Avoid Impact: Protect the display from physical impacts, which can damage the screen or internal components.
8. Troubleshooting
This section addresses common issues you might encounter with your OMT-M3 display.
Common Issues and Solutions:
- Display Not Turning On:
- Check if the e-bike battery is charged and properly connected.
- Ensure all display cables are securely connected to the controller.
- Verify the power button is being pressed correctly (often a long press).
- Incorrect Readings (Speed, Distance):
- Check the speed sensor and magnet on your wheel for proper alignment and function.
- Ensure the wheel size setting in the display's menu (if accessible) is correct.
- Display Shows Error Code:
- Refer to the specific error code list provided by your e-bike's manufacturer or the seller. Error codes indicate specific system malfunctions.
- Often, turning the e-bike off and on again can reset minor errors.
- Color Difference in Display:
- Be aware that images shown online may have slight color differences due to monitor variations and brightness settings. This is generally not a defect.
- Defective Product Upon Arrival:
- If the product appears defective upon delivery, do not sign the shipping bill. Take clear photos of the damage and contact the seller immediately.
If you encounter issues not covered here or require further assistance, please contact the seller for support.
9. User Tips
- Customization is Key: Since this is a customized product, always communicate your e-bike's specifications to the seller to ensure compatibility and receive tailored installation advice.
- Early Communication: If you have any questions or problems, contact the seller promptly. They are often the best resource for specific product support.
- Check for Damage on Delivery: Always inspect your package and product for any defects or damage immediately upon receipt. Document any issues with photos before accepting delivery if possible.
10. Warranty and Support
The seller strives to provide excellent customer service. For any product-related inquiries, technical support, or issues, please contact the seller directly.
Returns Policy:
If you are not satisfied with the product due to defects, damage, or any fault of the seller (not due to personal preference or misuse), you may be eligible for a refund or replacement. Returned items must be in their original condition. Please contact the seller within 15 days of receiving the goods to initiate a return.
Free returns may be available within 90 days for eligible items. Please check with the seller for specific terms and conditions.
Delivery Guarantee:
The seller offers guarantees for fast delivery and refunds for issues such as delayed delivery (a coupon code may be provided), lost packages, or damaged items during transit. Refunds are also available if no delivery occurs within 30 days.
11. Disclaimer
The information in this manual is subject to change without notice. The manufacturer and seller are not responsible for any damage or injury caused by improper installation, misuse, or unauthorized modification of the product. Always prioritize safety and consult a qualified technician if you are unsure about any installation or repair procedures.
