1. Important Safety Information
Please read this manual carefully before operating your NANROBOT D4+ MAX Electric Scooter. Failure to follow these instructions can lead to serious injury or damage to the scooter.
- Always wear a helmet and appropriate protective gear (knee pads, elbow pads, wrist guards) when riding.
- Ensure all bolts and quick-release mechanisms are securely tightened before each ride.
- Do not ride in wet conditions, heavy rain, or through puddles. Water damage is not covered by warranty.
- Familiarize yourself with local laws and regulations regarding electric scooter usage.
- Avoid riding on uneven terrain, steep slopes, or over obstacles that exceed the scooter's capabilities.
- Maintain a safe distance from other vehicles, pedestrians, and obstacles.
- Do not allow children under the age of 16 to operate the scooter.
- Do not perform stunts or dangerous maneuvers.
- Always use both brakes simultaneously for effective stopping.
- Regularly check tire pressure and brake function.
2. Product Overview
The NANROBOT D4+ MAX is a high-performance electric scooter designed for adults, featuring dual motors and robust construction for both urban and off-road environments.
Figure 2.1: NANROBOT D4+ MAX Electric Scooter and included components (charger, tool kit, keys, user manual).
2.1 Key Components
Figure 2.2: Main components of the D4+ MAX, including Finger Throttle, Display, Brake, Adjustable Height Stem, Folding mechanism, Deck, Head Light, Turn Side Lights, Turn/Brake Lights, Fender, and 10" Off-road Tire.
- Dual 1200W Motors: Provides powerful acceleration and a top speed of up to 42 MPH.
- 52V 23.4AH Lithium Battery: Offers a long range of up to 40 miles per charge.
- 10-inch Off-road Tires: Enhanced grip and stability for various terrains.
- Front and Rear Spring Suspension: Absorbs vibrations and bumps for a comfortable ride.
- Hydraulic NUTT Brake + EBS: Integrated control for improved braking sensitivity and safety.
- Advanced Lighting System: Powerful headlights, bottom side light bars, and warning taillight for visibility.
- Foldable Design: Three-step folding mechanism for easy storage and transport.
- LCD Display: Shows current speed, speed mode, battery power, and mileage.
- Adjustable Handlebar Height: Three height modes to suit different riders.
2.2 Advanced Features
Figure 2.3: Illustration of the 1200W x 2 dual motor system and robust spring suspension, designed for a smooth ride and 30° uphill capability.
Figure 2.4: Battery Management System (BMS) protection features, including short circuit, over discharge, overcharge, overcurrent, over temperature, and overvoltage protection.
2.3 Product Video Overview
Video 2.1: An official video showcasing the new upgrades of the D4+ MAX Electric Scooter, highlighting enhanced features and design improvements.
3. Setup
3.1 Unboxing and Assembly
- Carefully remove the scooter and all accessories from the packaging.
- Unfold the scooter by releasing the folding mechanism. Ensure the stem locks securely into place.
- Attach the handlebars if they are not pre-installed. Ensure all connections are firm.
- Inspect the tires for proper inflation and the brakes for correct function.
- Use the provided tool kit to tighten any loose bolts or adjust components as needed.
3.2 Initial Charge
Before your first ride, fully charge the scooter's battery.
- Locate the charging port on the scooter.
- Connect the charger to the charging port, then plug the charger into a standard wall outlet.
- The indicator light on the charger will typically turn red during charging and green when fully charged.
- Charging time may vary, but typically takes several hours for a full charge. Refer to specifications for exact times.
- Do not overcharge the battery. Disconnect the charger once charging is complete.
4. Operating Instructions
4.1 Controls and Display
Figure 4.1: Handlebar controls including Brake levers, Light switch, Turning signal, Horn Button, Voltage Lock, Battery Speed indicator, Gear selector, Finger Throttle, and ODO display.
- Power Button: Press and hold to turn the scooter on/off.
- LCD Display: Provides real-time information:
- Current Speed
- Speed Mode (Gear)
- Battery Level
- Odometer (ODO)
- Finger Throttle: Gently press down to accelerate. Release to decelerate.
- Brake Levers: Located on both handlebars. Squeeze to activate the hydraulic brakes.
- Light Switch: Activates the front headlight and side ambient lights.
- Horn Button: Activates the scooter's horn.
- Turning Signal: Activates the turn signals for indicating direction.
4.2 Riding Modes
The scooter offers 3 riding modes to adapt to different conditions and rider preferences.
- Mode 1 (Eco/Low Speed): Ideal for beginners, crowded areas, or maximizing battery life.
- Mode 2 (Mid Speed): Balanced performance for general commuting.
- Mode 3 (High Speed/Sport): Full power for experienced riders and open roads.
Switch between modes using the designated button on the handlebar or display interface.
4.3 Adjusting Handlebar Height
Figure 4.2: The adjustable handlebar stem allows for three height settings: Low (44.5"), Mid (48"), and High (52") for rider comfort.
To adjust the handlebar height:
- Locate the quick-release lever on the stem.
- Open the lever and adjust the stem to your desired height.
- Ensure the stem clicks into one of the three predefined height positions.
- Securely close the quick-release lever. Verify that the stem is firm and does not wobble.
5. Maintenance
Regular maintenance ensures the longevity and safe operation of your scooter.
- Cleaning: Wipe down the scooter with a damp cloth. Do not use high-pressure water or immerse the scooter in water.
- Battery Care:
- Charge the battery regularly, even if not in use, to maintain its health.
- Avoid completely draining the battery.
- Store the scooter in a cool, dry place when not in use, away from direct sunlight and extreme temperatures.
- Tire Pressure: Check tire pressure before each ride. Maintain recommended PSI (usually indicated on the tire sidewall or in specifications). Proper inflation improves ride quality and prevents punctures.
- Brake Inspection: Regularly check brake pads for wear and ensure brake levers provide firm and responsive stopping power. Adjust or replace as necessary.
- Fasteners: Periodically check and tighten all screws, bolts, and connections to ensure they are secure.
6. Troubleshooting
This section addresses common issues you might encounter with your NANROBOT D4+ MAX Electric Scooter.
| Problem | Possible Cause | Solution |
|---|---|---|
| Scooter does not turn on. | Low battery; loose battery connection; faulty power button. | Charge the battery; check battery connections; contact support if issue persists. |
| Loss of power during ride. | Low battery; motor overheating; loose motor connection. | Recharge battery; allow scooter to cool down; check motor connections. |
| Brakes feel weak or spongy. | Worn brake pads; air in hydraulic system; misaligned calipers. | Inspect and replace brake pads; consult a professional for hydraulic system bleeding; adjust caliper alignment. |
| Display shows an error code. | Sensor malfunction; controller issue; motor fault. | Refer to the specific error code in a more detailed technical manual (if available) or contact customer support. |
| Unusual noises from wheels. | Loose components; debris in wheel well; worn bearings. | Inspect and tighten all parts; clean wheel area; consider professional inspection for bearings. |
If you encounter an issue not listed here or if the suggested solutions do not resolve the problem, please contact NANROBOT customer support.
7. Specifications
Figure 7.1: Key dimensions of the D4+ MAX, including unfolded and folded measurements.
| Feature | Detail |
|---|---|
| Brand | NANROBOT |
| Model Name | D4+MAX Blue |
| Motor Power | 2 x 1200W (2400W Dual Motor) |
| Battery | 52V 23.4AH Lithium Battery |
| Max Speed | Up to 42 MPH |
| Max Range | Up to 40 Miles |
| Tires | 10-inch Off-road Tires |
| Brakes | HYDRAULIC NUTT BRAKE + EBS |
| Max Climb Angle | 30° |
| Item Dimensions (LxWxH) | 49.21 x 8.8 x 52 inches |
| Package Weight | 70 Pounds |
| Included Components | Scooter Charger, Scooter Instructions, Tool kit, Key |
| UL Certification | UL2272 Certified |
8. Warranty and Support
NANROBOT is committed to product quality and customer satisfaction.
- Warranty: Different parts of the NANROBOT D4+ MAX are guaranteed for 3-12 months. Please refer to your purchase documentation or contact customer service for specific warranty terms applicable to your region and components.
- Service Points: NANROBOT has established special maintenance points in the United States to provide convenient service.
- Customer Support: For any questions, technical assistance, or warranty claims, please contact NANROBOT customer support through the official website or your point of purchase.
For more information, visit the official NANROBOT Store: NANROBOT Store on Amazon
