1. Introduction
The XIAOMI MIJIA Mist Free Humidifier 3 (400) is designed to provide a comfortable and healthy indoor environment by maintaining optimal humidity levels. Utilizing natural water vapor evaporation, this humidifier effectively blocks impurities, making it safe for tap water and beneficial for sensitive respiratory systems. It features a high humidification capacity, quiet operation, smart controls, and multi-effect antibacterial protection.
Image: The humidifier in a home setting, demonstrating its top-fill design.
2. Package Contents
Please check the box for the following items:
- Humidifier x1
- Filter Core x1
- Power Adapter x1
- User Manual x1
- Quick Start Guide x1
Image: Diagram showing all components included in the package.
3. Specifications
| Feature | Detail |
|---|---|
| Brand Name | XIAOMI |
| Model Number | CJSJSQ02XY |
| Humidifying Capacity | 400ml/h |
| Capacity | 4L |
| Coverage Area | 21-30㎡ |
| Power (W) | 9w |
| Voltage (V) | 100v-240v (AC Source) |
| Noise Level | <36dB (32dB(A) in sleep mode) |
| Humidification Method | Non-mist (Pureness Type) |
| Timing Function | Yes |
| Water-shortage Power-off Protection | Yes |
| Installation | Tabletop / Portable |
| Certification | CE |
| Dimensions (L x W x H) | 230mm x 230mm x 390mm |
| Origin | Mainland China |
Image: Product dimensions.
4. Setup
- **Unpack**: Carefully remove all components from the packaging.
- **Placement**: Place the humidifier on a flat, stable surface, away from direct sunlight, heat sources, and electronic devices. Ensure there is adequate space around the unit for optimal air circulation.
- **Install Filter Core**: Ensure the filter core is correctly seated in its designated position within the humidifier.
- **Add Water**:
- Ensure the humidifier is powered off before adding water.
- Directly pour clean tap water into the top opening of the humidifier. The 4L water tank has a clear water level window to prevent overfilling.
Image: Demonstrating the easy top-fill water method.
- **Connect Power**: Plug the power adapter into the humidifier and then into a suitable electrical outlet (100v-240v).
5. Operation
5.1 Basic Controls
The humidifier features simple buttons on its top panel for easy operation. The dome-shaped smart display intuitively shows real-time humidity levels and operational status.
Image: The smart display showing current humidity.
5.2 Humidification Modes
- **Constant Humidity Mode**: The humidifier automatically senses the ambient humidity and adjusts its output to maintain a comfortable 55% relative humidity (RH).
- **Customizable Humidity**: You can set your desired humidity level through the controls or the Mi Home app to create a personalized moisture environment.
- **Sleep Mode**: In this mode, the humidifier operates at a whisper-quiet 32dB(A), and the panel brightness automatically dims to ensure a peaceful sleep.
Image: Humidifier operating quietly in a bedroom setting.
5.3 Smart Interconnectivity
Control your humidifier remotely using the Mi Home app. You can also create smart scenarios to link it with other smart home devices, such as air conditioners or heaters, for integrated environmental control.
Image: Smart home integration with the humidifier.
6. Maintenance
Regular maintenance ensures optimal performance and longevity of your humidifier.
6.1 Regular Cleaning
- It is recommended to perform a deep clean of the water tank and evaporation system every 1-2 months. This helps maintain water flow and ensures efficient humidification.
- The separable large water tank design allows for easy cleaning.
- The suspended antibacterial filter core dries automatically after humidification, reducing mold risk.
- The silver ion module inside the water tank progressively reduces bacterial growth.
Image: Disassembled humidifier for maintenance.
6.2 Long-Term Storage
If the device will be unused for an extended period:
- Empty all water from the water tank and other components.
- Clean all parts thoroughly.
- Allow all components to air dry completely.
- Reassemble the humidifier and store it in a cool, dry place.
7. Troubleshooting
If you encounter any issues with your humidifier, please refer to the table below for common problems and solutions.
| Problem | Possible Cause | Solution |
|---|---|---|
| Humidifier not turning on | No power, loose connection | Check power adapter connection, ensure outlet is functional. |
| No humidification/low output | Low water level, dirty filter/evaporation system | Refill water tank. Clean the filter core and evaporation system as per maintenance instructions. |
| Unusual noise during operation | Unit not level, foreign object inside, dirty components | Ensure humidifier is on a flat surface. Check for any obstructions. Clean internal components. |
| Display not working correctly | Temporary glitch, power issue | Unplug the unit for 1 minute, then plug it back in. If problem persists, contact support. |
8. User Tips
- For best results, use clean tap water. The mist-free evaporation method is designed to work well with tap water without producing white dust.
- Take advantage of the smart humidity display to monitor your room's humidity and adjust settings as needed for optimal comfort.
- Utilize the Mi Home app for convenient remote control and to set up smart automation routines with other compatible devices.
- Regularly check the water level window to ensure continuous operation, especially during long humidification periods.
9. Warranty and Support
For warranty information, technical support, or service inquiries, please refer to the warranty card included in your package or contact XIAOMI customer service. Keep your purchase receipt as proof of purchase.
