Introduction
The Xiaomi Mijia Wireless Floor Scrubber 3 Pro D302 is an advanced wet and dry vacuum cleaner designed for comprehensive floor cleaning. It combines vacuuming, mopping, washing, and drying functionalities, featuring innovative technologies such as 180° flexible flat lying, real-time full-chain sterilization with electrolyzed water, hot water self-cleaning, and hot air drying for the roller brush. This manual provides essential information for the safe and efficient operation and maintenance of your device.
Product Overview
The device is designed for ease of use and powerful cleaning, tackling both dry debris and wet spills. Key components include the main body, handle, roller brush assembly, clean water tank, and dirty water tank.
Setup
- **Unpacking**: Carefully remove all components from the packaging. Ensure all parts listed in the product overview are present.
- **Assembly**:
- Attach the handle to the main body of the scrubber until it clicks into place.
- Ensure the roller brush is correctly installed in the brush head.
- Insert the clean water tank and dirty water tank into their respective compartments.
- **Charging**: Before first use, fully charge the device. Place the scrubber on its charging base. The LED screen will indicate charging status.
- **Filling the Clean Water Tank**:
- Remove the clean water tank (800ml capacity).
- Fill with clean tap water. The device will electrolyze this water for sterilization.
- Securely re-insert the clean water tank.
Figure 3: Clean water tank (800ml) and dirty water tank (700ml).
Operating Instructions
The Xiaomi Mijia Wireless Floor Scrubber 3 Pro offers multiple cleaning modes and features for various cleaning needs.
- **Power On/Off**: Press the power button on the handle to turn the device on or off.
- **Selecting Operating Modes**: The LED screen displays four main operating modes:
- **Standard Mode**: For general cleaning of everyday dirt.
- **Water Absorption Mode**: For quickly absorbing liquid spills.
- **Disinfection Mode**: Utilizes electrolyzed water for deep sterilization.
- **MAX Mode**: For enhanced performance on stubborn stains and heavy dirt.
- **Cleaning Technique**:
- Push the scrubber forward to clean. The self-traction feature assists in movement.
- For areas under furniture (e.g., sofas, beds), the 180° flexible flat lying design allows the scrubber to reach low-lying spaces. Gently tilt the device to engage the flat-lying position.
- The double-sided edge attachment ensures thorough cleaning along walls and in corners.
- The 4-in-1 functionality allows for simultaneous vacuuming, mopping, washing, and drying of both dry and wet debris.
Figure 5: Utilizing the 180° flexible flat lying feature to clean under furniture. 
Figure 6: The double-sided edge cleaning feature. 
Figure 7: Demonstrating the 4-in-1 cleaning capability on dry and wet spills. - **Pausing/Resuming**: The device can be paused or resumed by adjusting its tilt angle.
Maintenance
Regular maintenance ensures optimal performance and longevity of your floor scrubber.
- **Emptying the Dirty Water Tank**:
- After each use, remove the dirty water tank (700ml capacity).
- Dispose of the dirty water and any collected debris.
- Rinse the tank thoroughly with clean water.
- Securely re-insert the dirty water tank.
Figure 8: Detachable clean and dirty water tanks for easy maintenance. - **Roller Brush Self-Cleaning**:
- Place the scrubber on its charging base.
- Initiate the self-cleaning cycle (usually indicated on the LED screen or via a dedicated button).
- The device will use 60°C hot water and electrolyzed water for deep cleaning and sterilization of the roller brush.
Figure 9: The roller brush undergoing 60°C hot water self-cleaning. - **Roller Brush Hot Air Drying**:
- After self-cleaning, the device will automatically initiate hot air drying for the roller brush.
- This process ensures the roller brush is thoroughly dry and odor-free, preventing bacterial growth.
Figure 10: Hot air drying process for the roller brush. - **Removing and Cleaning the Roller Brush**:
- The roller brush and its cover can be easily removed with one touch for manual cleaning or replacement.
- The innovative comb-like scraping strip helps to prevent hair tangling, but occasional manual removal of tangled hair may be necessary.
Figure 11: Easy removal of roller brush and cover for cleaning. 
Figure 12: The comb-like scraping strip designed to reduce hair tangling.
Troubleshooting
If you encounter issues with your Xiaomi Mijia Wireless Floor Scrubber 3 Pro, refer to the following common problems and solutions:
- **Device not powering on**: Ensure the device is fully charged. Check if the power button is pressed correctly.
- **Weak suction or poor cleaning performance**:
- Check if the clean water tank is filled and the dirty water tank is empty.
- Ensure the roller brush is clean and free from obstructions.
- Verify that the water and vapor separation technology is functioning correctly (no sewage entering the fan).
- Select MAX mode for stubborn dirt.
- **Roller brush tangling**: While the device has an anti-tangling design, long hair or large debris might still cause tangles. Manually remove any tangled hair from the roller brush.
- **Unpleasant odor**: Ensure the roller brush is thoroughly dried after each use using the hot air drying function. Regularly clean both water tanks.
- **Device not lying flat**: Check for any obstructions under the brush head or if the flat lying auxiliary wheels are blocked.
For persistent issues, please refer to the official product support resources.
Specifications
| Feature | Specification |
|---|---|
| Brand Name | XIAOMI |
| Model Number | D302 |
| Function | Mopping & Sweeping & Suction Type |
| Installation | Hand Held |
| Power (W) | 400W |
| Rated Power | 200W |
| Base Power Rating | 330W |
| Voltage | 220 V |
| Floor washing machine rated voltage | 21.6V |
| Floor washing machine charging voltage | 27V |
| Battery Type | Li-ion |
| Number of operating modes | 3-4 |
| Liquid tank volume | Clean Water Tank: 800ml, Dirty Water Tank: 700ml (Total <3L) |
| Dust Storage Type | Cyclone Dust Bucket/Dust Box |
| Turbo Brush | Yes |
| LCD | Yes |
| Cord Length (m) | Wireless |
| Certification | CE |
| Net weight (Floor washing machine) | 4.74Kg |
| Net weight (Base) | 1.42Kg |
| Origin | Mainland China |
*Note: Specifications are subject to change without prior notice. Please refer to the product packaging for the most accurate information.
User Tips
- **Maintenance Video**: For detailed maintenance instructions, check if an official instructional video is available from the manufacturer or seller.
- **Water Quality**: Always use clean tap water for the clean water tank to ensure effective electrolysis and sterilization.
- **Regular Cleaning**: Empty and rinse the dirty water tank immediately after each use to prevent odors and bacterial buildup.
- **Charging**: For optimal battery life, try to fully charge the device before each major cleaning session.
Product Demonstration Video
Warranty and Support
For warranty information, technical support, or service inquiries, please refer to the official Xiaomi Mijia website or contact your local authorized service center. Keep your purchase receipt as proof of purchase for warranty claims.
