Introducció
The LEVOIT Ultrasonic Cool Mist Humidifier Diffuser (Model LV400CH) is a versatile 3-in-1 device designed to improve air quality in your home. It functions as a humidifier, a vaporizer, and an aroma diffuser. This unit features a double filtration system using activated carbon and ceramic to purify water and air, helping to combat dry air and potential bacteria. With its whisper-quiet operation and large 4-liter capacity, it provides continuous mist for 20 to 30 hours, making it ideal for bedrooms, living rooms, and nurseries.

Figure 1: LEVOIT LV400CH Ultrasonic Cool Mist Humidifier.
Contingut del paquet
Si us plau, reviseu atentament el contingut del paquet. Si falta algun article o hi ha algun dany, poseu-vos en contacte amb el servei d'atenció al client.
- 1 x LEVOIT Ultrasonic Cool Mist Humidifier LV400CH
- 3 x Aroma Pads (1 Pre-installed)
- 1 x Manual d'usuari

Figura 2: Tots els elements inclosos a l'embalatge del producte.
Característiques del producte
The LEVOIT LV400CH Humidifier is equipped with several features designed for optimal performance and user convenience:
- Large 4-Liter Capacity: Allows for 20 to 30 hours of continuous operation.
- Funcionament silenciós: Ultrasonic air diffusion produces less than 36 dB of noise.
- Dos-Stage Filtració: Activated carbon filters purify air, and ceramic filters purify water.
- Funció d'aromateràpia: Integrated aroma box for essential oils.
- Control amb un sol botó: Simple operation for mist levels and night light.
- 360° Mist Nozzle: Adjustable mist direction.
- Waterless Auto Shut-off: Safety feature to prevent damage when water runs out.

Figure 3: Key features of the LV400CH Humidifier.

Figure 4: Benefits of using the LEVOIT Humidifier.
Configuració
Follow these steps to set up your LEVOIT Humidifier for first use:
- Desembalar: Carefully remove all packaging materials and place the humidifier on a flat, stable, and water-resistant surface.
- Treure el dipòsit d'aigua: Lift the water tank from the base.
- Omplir el dipòsit d'aigua: Unscrew the water tank cap. Fill the tank with clean, cool water. Both distilled or tap water can be used. Ensure the water tank is correctly sealed after filling.
- Place Tank on Base: Carefully place the filled water tank back onto the humidifier base, ensuring it is seated properly.
- Connectar l'alimentació: Plug the power cord into a suitable electrical outlet (AC 120V / 60Hz).
Nota: Water may spill if the humidifier is moved while water is in the tank. Do not pick up or shake the humidifier while it is operating.

Figure 5: Steps for refilling the water tank.
Instruccions de funcionament
The LEVOIT LV400CH Humidifier features simple one-button control.
- Encès/apagat: Premeu el botó d'engegada (⏻) to turn the humidifier on or off.
- Ajustar el nivell de boira: Press the mist level button (⏻) repeatedly to cycle through low and high mist output settings. The maximum mist output is 200ml/h.
- Llum nocturna: Premeu el botó de la llum nocturna (💡) to turn the night light on or off.
- Aromateràpia: To use the aromatherapy function, add a few drops of essential oil to the aroma pad located in the aroma box on the base of the unit. Do not add essential oils directly into the water tank.

Figure 6: One-button control for mist and night light.

Figure 7: Using the aromatherapy function.

Figure 8: Quiet ultrasonic diffusion for peaceful environments.
Manteniment i Neteja
Regular cleaning is essential to ensure optimal performance and extend the product's lifetime. It is recommended to clean the humidifier at least once a week.
Cleaning the Water Tank and Base:
- Desendolla l'humidificador i retira el dipòsit d'aigua.
- Buideu l'aigua restant del dipòsit i de la base.
- Wipe the inside of the water tank and the base with a soft, damp cloth. For mineral buildup, use a descaling solution or a mixture of white vinegar and water (1:1 ratio). Let it soak for 15-20 minutes, then rinse thoroughly.
- Assegureu-vos que totes les peces estiguin completament seques abans de tornar a muntar.
Manteniment del filtre:
The LV400CH features a two-stage filtration system with activated carbon and ceramic filters. These filters are designed to purify the water and air. While the filters are generally long-lasting, inspect them periodically for excessive buildup. Clean or replace as necessary according to the full user manual.

Figure 9: The two-stage sistema de filtració.
Resolució de problemes
Si teniu algun problema amb el vostre humidificador, consulteu els següents problemes i solucions habituals:
| Problema | Causa possible | Solució |
|---|---|---|
| Sense boira o poca producció de boira. | Water tank empty; mineral buildup on transducer; air outlet blocked. | Refill water tank; clean transducer with vinegar solution; ensure air outlet is clear. |
| Soroll inusual. | Water level too low; unit not on a flat surface; foreign object in base. | Refill water tank; place on a stable, flat surface; check and remove any foreign objects. |
| Fuga d'aigua. | Water tank cap not tightened; unit moved while operating. | Ensure water tank cap is securely tightened; avoid moving the unit when filled with water. |
For more detailed troubleshooting, please refer to the complete user manual or contact LEVOIT customer support.
Especificacions
| Especificació | Detall |
|---|---|
| Marca | LEVOIT |
| Nom del model | LV400CH |
| Voltage | CA 120V / 60Hz |
| Potència nominal | 25W |
| Capacitat del dipòsit d'aigua | 4L (1.05 gal) |
| Max Moisture Capacity | 200 ml/h |
| Temps d'operació | 20-30 hores |
| Tipus de filtre | Activated Carbon, Ceramic |
| Mètode de control | Toca |
| Dimensions del producte | 9.84 x 6.18 x 6.18 polzades |
| Pes de l'article | 3.02 lliures |

Figura 10: Dimensions del producte.
Garantia i Suport
LEVOIT provides a 1-year buyer assurance for this product, with the option of extending it by 1 more year. You also receive lifetime support from LEVOIT.
For any questions, concerns, or support needs, please contact LEVOIT customer service:
- Telèfon: (888)720-8520
- Correu electrònic: support@levoit.com
Please have your model number (LV400CH) and purchase information ready when contacting support.





