1. Introduction
Thank you for choosing the YOKEKON 8L Top-Fill Humidifier. This manual provides essential information for the safe and efficient operation, maintenance, and troubleshooting of your new humidifier. Please read it thoroughly before use and retain it for future reference.
This humidifier is designed to improve air quality and comfort in your home by adding moisture to dry air. It features an 8-liter capacity, top-fill design, essential oil diffuser, 360° rotating nozzle, adjustable mist levels, and a quiet operation mode.

Figure 1.1: The YOKEKON 8L Top-Fill Humidifier in a home environment. This image illustrates the humidifier's design and its potential placement in a large room, providing humidification for areas up to 1000 square feet.
2. Safety Instructions
To reduce the risk of fire, electric shock, or injury, please observe the following safety precautions:
- Always place the humidifier on a firm, flat, waterproof surface at least 12 inches (30 cm) away from walls and appliances.
- Do not immerse the humidifier base in water or other liquids.
- Unplug the humidifier before filling, cleaning, or moving it.
- Do not operate the humidifier with a damaged cord or plug. If the cord or plug is damaged, contact customer support.
- Keep the humidifier out of reach of children and pets.
- Do not block the mist outlet or air intake vents.
- Use only clean, cool tap water. Distilled or demineralized water is recommended to prevent mineral buildup.
- Do not add essential oils directly into the water tank. Use the designated essential oil tray.
- If the humidifier is tipped over, immediately unplug it and check for any damage or water leakage.
3. Package Contents
Please check the box for the following items:
- Humidifier Base with Water Tank
- Mist Outlet Nozzle
- Extension Mist Tube
- Remote Control
- Cleaning Brush
- User Manual
4. Product Diagram

Figure 4.1: Front view of the humidifier. This image shows the main body of the humidifier, including the transparent water tank and the control panel.

Figure 4.2: Side view of the humidifier. This image highlights the slim profile and the transparent water tank, allowing for easy monitoring of the water level.

Figure 4.3: Top view showing the control panel and mist outlet. This image details the intuitive touch controls and the 360° rotatable mist nozzle.

Figure 4.4: Essential oil tray. This image shows the dedicated compartment for adding essential oils, allowing the humidifier to function as an aroma diffuser.
5. Setup
- Unpack: Carefully remove all packaging materials and place the humidifier on a flat, stable surface.
- Assemble (Optional): If desired, attach the extension mist tube to the mist outlet for higher mist dispersion. The 360° rotating nozzle can be adjusted to direct the mist.
- Fill Water Tank: The humidifier features a top-fill design. Open the top cover and pour clean, cool water directly into the tank. Do not exceed the maximum fill line. The 8-liter tank allows for up to 80 hours of continuous operation on low mist setting.
- Add Essential Oils (Optional): If desired, open the essential oil tray located at the back of the unit. Add 1-2 drops of your preferred essential oil onto the aroma pad. Close the tray securely. Do not add essential oils directly into the water tank.
- Connect Power: Plug the power cord into a standard electrical outlet. The unit will beep once, and the display will light up briefly.

Figure 5.1: Humidifier with extension tube. This image demonstrates the optional extension tube and the 360-degree rotatable nozzle, allowing for flexible mist direction and preventing floor wetting.

Figure 5.2: Top-fill water tank. This image shows the convenient top-fill opening, making refilling easy and mess-free.

Figure 5.3: Transparent water tank and runtime. This image highlights the large 8-liter transparent tank, allowing users to easily monitor the water level and enjoy up to 80 hours of continuous humidification.
6. Operating Instructions
The humidifier can be operated using the touch control panel on the unit or the included remote control.
Control Panel / Remote Functions:
- Power Button: Turns the humidifier ON/OFF.
- Mist Level Button: Cycles through 3 mist output levels (Low, Medium, High). The maximum mist output is 300 ml/h.
- Humidity Setting Button: Allows you to set your desired humidity level in 5% increments, from 40% to 90%. The humidifier will automatically maintain this level.
- Timer Button: Sets an automatic shut-off timer for 1 to 12 hours.
- Light Button: Turns the 5-color LED night light ON/OFF.
- Sleep Mode Button: Activates sleep mode, which turns off all display lights and operates the humidifier at a whisper-quiet level (below 25 dB) for undisturbed rest.

Figure 6.1: Intelligent constant humidity. This image illustrates the humidifier's ability to maintain a set humidity level, contributing to relief from conditions like hay fever, asthma, sinusitis, and allergies.

Figure 6.2: Mood light and sleep mode. This image highlights the humidifier's 5-color LED night light and its ultra-quiet operation at 25dB in sleep mode, ideal for nighttime use.
Initial Operation:
- Press the Power button to turn on the humidifier.
- Adjust the mist level by pressing the Mist Level button until your desired output is reached.
- Set your desired humidity level using the Humidity Setting button. The humidifier will work to achieve and maintain this level.
- Utilize the Timer, Light, or Sleep Mode functions as needed.
7. Maintenance
Regular cleaning is essential for optimal performance and hygiene.
Daily Maintenance:
- Unplug the humidifier.
- Empty any remaining water from the tank.
- Wipe the tank and base with a clean, dry cloth.
Weekly Maintenance (or every 3-5 days with hard water):
- Descaling: Unplug the humidifier. Pour 1 cup (240ml) of white vinegar into the water tank and let it sit for 30 minutes. Use the provided cleaning brush to gently scrub any mineral buildup on the ultrasonic atomizer and the inside of the tank.
- Rinsing: Empty the vinegar solution and rinse the tank thoroughly with clean water until the vinegar smell is gone. Do not rinse the base unit under running water.
- Drying: Wipe all surfaces dry with a clean cloth before reassembling.
Storage:
When not in use for an extended period, clean the humidifier thoroughly, ensure all parts are dry, and store it in a cool, dry place.
8. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| No mist or low mist output | Low water level; Mineral buildup on atomizer; Mist outlet blocked. | Refill water tank; Clean the ultrasonic atomizer; Clear any obstructions from the mist outlet. |
| Unusual odor | New unit smell; Stagnant water; Dirty water tank. | Run for a few hours; Empty and refill with fresh water; Clean the water tank thoroughly. |
| Water leakage | Tank not properly seated; Overfilled tank; Damaged tank. | Ensure tank is correctly placed; Do not overfill; Contact support if tank is damaged. |
| Humidifier turns off unexpectedly | Water tank empty; Desired humidity reached; Timer expired. | Refill water tank; Adjust desired humidity or turn off auto mode; Reset timer or turn off timer function. |
| Inaccurate humidity reading | Sensor obstructed or wet; Humidifier placed too close to a wall. | Ensure sensor is clean and dry; Move humidifier to an open area. |
9. Specifications
| Feature | Specification |
|---|---|
| Brand | YOKEKON |
| Model Number | KC-MH-K20-DE |
| Color | Black |
| Capacity | 8 Liters |
| Mist Output | Up to 300 ml/h |
| Coverage Area | Up to 1000 sq ft |
| Runtime | Up to 80 hours (on low mist setting) |
| Noise Level | Below 35 dB (25 dB in Sleep Mode) |
| Power Source | Corded Electric |
| Special Features | Top-fill, Anti-leak, Essential Oil Diffuser, 360° Rotating Nozzle, Adjustable Humidity, 3 Mist Levels, 5-Color LED Night Light, Sleep Mode, 12-Hour Timer, Automatic Shut-off |
| Item Weight | 3.08 Kilograms |
| Product Dimensions | 26.1D x 26.1W x 33H cm |
| UPC | 732497190987 |
10. Warranty and Support
YOKEKON provides a 30-day exchange policy and a 1-year warranty for this product. If you encounter any issues or require technical assistance, please contact our customer support. We offer 24-hour online service for refunds, exchanges, or technical support.
Please refer to your purchase documentation for specific contact details or visit the official YOKEKON website for support information.