1. Product Overview
The Cecotec Pure Aroma 150 Yang is an ultrasonic humidifier and aroma diffuser designed to improve air quality and create a pleasant atmosphere in your home. It features a 150ml water tank, a 3-hour timer, and 7 LED light colors for customizable ambiance. Its ultra-silent operation makes it suitable for any room.

Figure 1: Cecotec Pure Aroma 150 Yang Ultrasonic Humidifier and Aroma Diffuser.
2. Safety Information
Please read all safety warnings and instructions carefully before using this product to prevent injury or damage.
- Avoid direct skin contact with undiluted essential oils.
- Keep the device and essential oils out of reach of children and pets.
- Ensure adequate ventilation during use.
- Do not place the device on unstable surfaces.
- Do not immerse the device in water or other liquids.
- Use only the provided power adapter.
- Unplug the device before cleaning or refilling.
3. Package Contents
Verify that all items are present in the box:
- 1 x Cecotec Pure Aroma 150 Yang Humidifier/Aroma Diffuser
- 1 x Filling Cup
- 1 x Power Adapter
- 1 x Instruction Manual
4. Setup Instructions
- Placement: Place the humidifier on a flat, stable surface away from direct sunlight, heat sources, and electronic devices. Ensure there is enough space around the unit for proper mist dispersion.
- Remove Cover: Gently lift the top cover of the humidifier to access the water tank.

Figure 2: Hand pouring water into the humidifier's reservoir after removing the top cover.
- Fill Water Tank: Using the provided filling cup, carefully pour clean tap water into the water tank. Do not exceed the maximum water level line (150ml capacity).

Figure 3: Detailed view of water being added to the humidifier's tank.
- Add Essential Oils (Optional): If using as an aroma diffuser, add 2-3 drops of your preferred essential oil directly into the water tank. Do not add more than recommended.

Figure 4: The humidifier positioned next to a bottle of essential oil, indicating its aromatherapy function.
- Replace Cover: Carefully place the top cover back onto the humidifier, ensuring it is properly seated.
- Connect Power: Plug the power adapter into the DC input port on the base of the humidifier, then plug the other end into a suitable power outlet.
5. Operating Instructions
The Cecotec Pure Aroma 150 Yang features intuitive controls for mist and light functions.

Figure 5: The humidifier actively emitting a fine mist, demonstrating its humidifying capability.
5.1. Mist Control and Timer
Locate the "MIST" button on the front of the unit.
- Press the MIST button once for continuous mist output.
- Press the MIST button a second time to set the timer for 1 hour (indicated by "1H" light).
- Press the MIST button a third time to set the timer for 3 hours (indicated by "3H" light).
- Press the MIST button a fourth time to turn off the mist function.
5.2. LED Light Control
Locate the "LIGHT" button on the front of the unit.
- Press the LIGHT button once to turn on the LED lights, which will cycle through 7 colors automatically.
- Press the LIGHT button again to fix the light on a specific color. Each subsequent press will cycle through the available colors.
- Press and hold the LIGHT button for 2 seconds to turn off the LED lights.

Figure 6: The humidifier displaying its LED light feature, which can cycle through 7 colors.
6. Maintenance
Regular cleaning ensures optimal performance and extends the lifespan of your humidifier.
- Daily Maintenance:
- Unplug the device and remove the cover.
- Empty any remaining water from the tank.
- Wipe the inside of the water tank with a clean, damp cloth.
- Refill with fresh water before next use.
- Weekly Cleaning:
- Unplug the device and empty the water tank.
- Add a small amount of mild dish soap to the water tank and fill with warm water.
- Gently scrub the inside of the tank and the ultrasonic disc with a soft brush or cloth.
- Rinse thoroughly with clean water. Ensure no water enters the air outlet or control buttons.
- Wipe all surfaces dry with a clean cloth.
- Allow all parts to air dry completely before reassembling.
- Descaling (Monthly or as needed):
- If mineral deposits build up, mix equal parts white vinegar and water.
- Pour the solution into the water tank and let it soak for 30 minutes.
- Gently scrub any remaining deposits.
- Rinse thoroughly with clean water multiple times to remove all vinegar residue.
Note: The "Dishwasher Safe" instruction found in some product specifications typically refers to removable, non-electronic components. For this humidifier, only the water tank and cover should be considered for gentle hand washing. Do not place the main unit with electronic components in a dishwasher.
7. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| No mist or weak mist |
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| Device does not turn on |
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| Unpleasant odor from mist |
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| LED lights not working |
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8. Specifications
| Feature | Detail |
|---|---|
| Model Name | Pure Aroma 150 Yang |
| Model Number | 05284 |
| Brand | Cecotec |
| Dimensions (L x W x H) | 13 x 13 x 14.5 cm |
| Weight | 390 grams |
| Water Tank Capacity | 150 Milliliters |
| Power Source | Corded Electric |
| Special Feature | Solid construction, Ultrasonic humidification, Aroma diffusion, LED lighting |
| Recommended Use | Home |
| Material | Wood (exterior finish) |
| LED Colors | 7 colors with manual and automatic control |
| Timer Settings | 1 hour, 3 hours, Continuous |
9. Warranty and Support
For detailed warranty information and customer support, please refer to the warranty card included with your product or visit the official Cecotec website. Keep your purchase receipt for warranty claims.
You can find more information and contact details on the official Cecotec brand store: Cecotec Brand Store





