1. Introduction
The Xiaomi Mijia Smart Dehumidifier 13L is an intelligent home appliance designed to effectively remove excess moisture from your indoor environment, creating a more comfortable and healthy living space. Featuring a 13L daily dehumidification capacity, a 3L water tank, and smart control via the Mijia APP, this dehumidifier operates quietly with noise levels as low as 35dB. It incorporates advanced safety features and thoughtful design for ease of use and peace of mind.

Figure 1: Xiaomi Mijia Smart Dehumidifier 13L
2. Safety Information
Please read all safety instructions carefully before using the appliance to prevent injury to yourself and others, and to avoid property damage. Keep this manual for future reference.
- Water Full Stop: The unit automatically stops operation when the water tank is full to prevent overflow.
- Intelligent Frost: Prevents frost buildup on internal components, ensuring efficient operation.
- Compressor Protection: Safeguards the compressor from damage due to frequent starts or power fluctuations.
- Filter Cleaning Reminder: Notifies you when the filter needs cleaning to maintain performance.
- Over-temperature Protection: Shuts down the unit if internal temperatures exceed safe limits.
- Child Lock Protection: Prevents accidental changes to settings by children.
- Motor Blocking Protection: Protects the motor from damage if obstructed.
- Fire Retardant: Constructed with fire-retardant materials for enhanced safety.
- Power Failure Memory: Restores previous settings after a power outage.
- Overload Power Failure: Protects the unit from electrical overloads.
- Lack of Air Protection: Ensures proper airflow to prevent overheating.
- 8H Continuous Rotation Protection: Specific protection for continuous operation.

Figure 2: Overview of 12 Safety Guards
3. Package Contents
Carefully unpack the box and ensure all items are present and in good condition. If any items are missing or damaged, please contact your retailer.
- Dehumidifier Host ×1
- Water Tank ×1 (pre-installed)
- Drainage Pipe ×1
- Instruction Manual ×1

Figure 3: Product Dimensions, Specifications, and Packing List
4. Product Overview
The Mijia Smart Dehumidifier 13L is designed for efficient and quiet operation. Key features include:
- 13L/D Large Dehumidifying Capacity: Quickly removes moisture, suitable for various room sizes.
- 3L Large Water Tank: Reduces the frequency of emptying.
- Continuous Drainage: Option to connect an external drainage pipe for uninterrupted operation.
- Fine Antimicrobial Filter: Blocks large particles and reduces secondary pollution with an antimicrobial rate of ≥99%.
- 7 Noise Reduction Optimization: Achieves a low noise level of 35dB for a quiet environment.
- Intelligent Interconnection: Control via Mijia APP and Xiao Ai Speaker for multi-scenario constant humidity.
- Thoughtful Design: Real-time humidity digital display, touch control, hidden universal wheels for easy movement, and automatic air drying upon shutdown to reduce bacterial growth.

Figure 4: Key Features Overview
5. Setup
- Placement: Place the dehumidifier on a flat, stable surface. Ensure there is at least 20cm of clear space around the unit for proper airflow. Do not place it near heat sources or in direct sunlight.
- Power Connection: Connect the power cord to a suitable 220V~, 50Hz power outlet. The unit uses a CN plug type.
- Water Tank Installation: The 3L water tank comes pre-installed. Ensure it is securely in place before operation.
- Continuous Drainage (Optional): For continuous operation without emptying the water tank, connect the provided drainage pipe to the designated outlet on the unit and lead the other end to a floor drain or a larger container. Ensure the pipe is sloped downwards to allow gravity drainage.
- Initial Power On: Press the power button to turn on the dehumidifier. The digital display will show the current humidity level.

Figure 5: Water Tank and Drainage Pipe Connection
6. Operating Instructions
The dehumidifier offers various modes and control options for optimal performance.
Control Panel
The top of the unit features a touch control panel with a real-time humidity digital display.
Dehumidifying Modes
- Smart Mode: Automatically adjusts dehumidification based on the ambient humidity to maintain a comfortable level.
- Sleep Mode: Operates at the lowest noise level for undisturbed rest, while still maintaining effective dehumidification.
- Drying Clothes Mode (Thousands of Clothes Mode): Provides powerful dehumidification to assist in drying laundry indoors.
Intelligent Control (Mijia APP)
The dehumidifier supports Wi-Fi IEEE 802.11b/g/n 2.4GHz for smart control.
- Download the Mijia APP: Search for "Mijia" in your app store and download the application.
- Add Device: Follow the in-app instructions to add your Xiaomi Mijia Smart Dehumidifier 13L.
- Remote Control: Once connected, you can remotely control the dehumidifier, switch modes, set target humidity, schedule operations, and monitor its status from your smartphone.
- Voice Control: If integrated with Xiao Ai Speaker, you can use voice commands to operate the dehumidifier.
7. Maintenance
Regular maintenance ensures the longevity and efficiency of your dehumidifier.
Cleaning the Air Filter
The dehumidifier is equipped with a fine antimicrobial filter. A filter cleaning reminder will alert you when maintenance is needed.
- Power Off: Always unplug the dehumidifier before cleaning.
- Remove Filter: Locate and carefully remove the air filter from the unit.
- Clean Filter: Use a vacuum cleaner to remove dust and debris from the filter. For stubborn dirt, wash the filter gently with lukewarm water and a mild detergent. Rinse thoroughly.
- Dry Filter: Allow the filter to air dry completely before reinstalling. Do not expose to direct sunlight or high heat.
- Reinstall Filter: Place the dry filter back into its position and ensure it is secure.

Figure 6: Fine Antimicrobial Filter
Cleaning the Water Tank
Empty and clean the water tank regularly to prevent mold and mildew growth.
- Power Off: Unplug the dehumidifier.
- Remove Tank: Carefully pull out the water tank.
- Empty Water: Dispose of the collected water.
- Clean Tank: Wash the tank with lukewarm water and a mild detergent. Rinse thoroughly.
- Dry Tank: Allow the tank to air dry completely before placing it back into the unit.
External Cleaning
Wipe the exterior of the dehumidifier with a soft, damp cloth. Do not use harsh chemicals or abrasive cleaners.
8. Troubleshooting
If you encounter issues with your dehumidifier, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Dehumidifier not turning on | No power; Power cord loose; Water tank full or incorrectly installed | Check power supply; Ensure power cord is securely plugged in; Empty and correctly reinstall water tank |
| No dehumidification | Room temperature too low; Air filter clogged; Unit in fan-only mode | Dehumidifiers are less effective below 5°C; Clean air filter; Select an appropriate dehumidification mode |
| Unit is noisy | Unit not on a level surface; Air filter clogged; Internal components vibrating | Place on a flat surface; Clean air filter; Contact support if noise persists |
| Water leaking | Water tank not properly seated; Drainage pipe loose or blocked | Ensure water tank is correctly installed; Check drainage pipe connection and clear any blockages |
| Mijia APP connection issues | Incorrect Wi-Fi password; Router too far; Dehumidifier not in pairing mode | Verify Wi-Fi credentials; Move unit closer to router; Refer to APP instructions for pairing mode |
For issues not listed here or if problems persist, please contact customer support.
9. Specifications
Detailed technical specifications for the Xiaomi Mijia Smart Dehumidifier 13L:
| Parameter | Value |
|---|---|
| Product Model | DM-CS13BFA5A |
| Product Size | Φ290 × 520mm |
| Product Net Weight | 11.1kg |
| Rated Voltage | 220V~ |
| Rated Frequency | 50Hz |
| Water Tank Volume | 3.0L |
| High Temperature Dehumidifying Capacity | 13L/D (30°C/80%RH) |
| Nominal Dehumidifying Capacity | 0.29kg/h (27°C/60%RH) |
| Refrigerant Specification | R290/0.038kg |
| Fuse Specification | 3.15A/250V |
| Power Cord Specifications | 3 × 0.75mm² |
| Operating Temperature | 5°C~35°C |
| Maximum Input Power | 250W |
| Maximum Input Current | 1.52A |
| Wind Capacity | 140m³/h |
| Noise | ≤38dB(A) (Nominal Working Condition: 180W) |
| Wireless Connection | Wi-Fi IEEE 802.11b/g/n 2.4GHz |
10. User Tips
While no specific user tips were provided, here are some general recommendations to maximize your dehumidifier's performance:
- Close Doors and Windows: For optimal dehumidification, keep doors and windows in the room closed while the unit is operating.
- Regular Filter Cleaning: Clean the air filter every 2-4 weeks, or as indicated by the filter cleaning reminder, to maintain efficiency and air quality.
- Strategic Placement: Place the dehumidifier in the center of the room or the area with the highest humidity for best results. Avoid placing it directly against walls or furniture.
- Utilize Smart Features: Take advantage of the Mijia APP for remote control, scheduling, and monitoring to integrate the dehumidifier seamlessly into your smart home ecosystem.
- Continuous Drainage for High Humidity: If you live in a very humid environment or need continuous operation, use the drainage pipe to avoid frequent water tank emptying.
11. Warranty and Support
For warranty information, technical support, or service inquiries, please refer to the warranty card included with your product or contact the official MIJIA customer service. Keep your purchase receipt as proof of purchase.





