Indledning
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.
Pakkens indhold
Kontroller venligst pakkens indhold omhyggeligt. Hvis der mangler eller er beskadigede dele, bedes du kontakte kundesupport.
- 1 x LEVOIT Ultrasonic Cool Mist Humidifier LV400CH
- 3 x Aroma Pads (1 Pre-installed)
- 1 x brugermanual

Figure 2: All items included in the product packaging.
Produktegenskaber
The LEVOIT LV400CH Humidifier is equipped with several features designed for optimal performance and user convenience:
- Stor kapacitet på 4 liter: Allows for 20 to 30 hours of continuous operation.
- Whisper-Quiet Operation: Ultrasonic air diffusion produces less than 36 dB of noise.
- To-Stage Filtrering: Activated carbon filters purify air, and ceramic filters purify water.
- Aromaterapi funktion: Integrated aroma box for essential oils.
- En-knaps kontrol: Simple operation for mist levels and night light.
- 360° tågedyse: 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.
Opsætning
Follow these steps to set up your LEVOIT Humidifier for first use:
- Pakker ud: Carefully remove all packaging materials and place the humidifier on a flat, stable, and water-resistant surface.
- Fjern vandtanken: Lift the water tank from the base.
- Fyld vandtank: 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.
- Tilslut strøm: Plug the power cord into a suitable electrical outlet (AC 120V / 60Hz).
Note: 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.
Betjeningsvejledning
The LEVOIT LV400CH Humidifier features simple one-button control.
- Tænd/sluk: Tryk på tænd / sluk-knappen (⏻) for at tænde eller slukke luftfugteren.
- Juster tågeniveau: Press the mist level button (⏻) repeatedly to cycle through low and high mist output settings. The maximum mist output is 200ml/h.
- Natlys: Tryk på natlysknappen (💡) for at tænde eller slukke natlyset.
- Aromaterapi: 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.
Vedligeholdelse og rengøring
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:
- Tag stikket ud af luftfugteren, og fjern vandtanken.
- Tøm eventuelt resterende vand ud af tanken og basen.
- Tør indersiden af vandtanken og bunden af med en blød klud.amp 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.
- Sørg for, at alle dele er helt tørre, før de monteres igen.
Filtervedligeholdelse:
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.

Figur 9: De to-stage filtreringssystem.
Fejlfinding
Hvis du støder på problemer med din luftfugter, bedes du se følgende almindelige problemer og løsninger:
| Problem | Mulig årsag | Løsning |
|---|---|---|
| Ingen eller lav tågeproduktion. | Water tank empty; mineral buildup on transducer; air outlet blocked. | Refill water tank; clean transducer with vinegar solution; ensure air outlet is clear. |
| Usædvanlig støj. | 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. |
| Vandlækage. | 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.
Specifikationer
| Specifikation | Detalje |
|---|---|
| Mærke | LEVOIT |
| Modelnavn | LV400CH |
| Voltage | AC 120V / 60Hz |
| Nominel effekt | 25W |
| Vandtankkapacitet | 4L (1.05 gal) |
| Max Moisture Capacity | 200 ml/t |
| Driftstid | 20-30 timer |
| Filtertype | Activated Carbon, Ceramic |
| Kontrolmetode | Røre |
| Produktdimensioner | 9.84 x 6.18 x 6.18 tommer |
| Varens vægt | 3.02 pund |

Figur 10: Produktdimensioner.
Garanti og support
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:
- Telefon: (888)720-8520
- E-mail: support@levoit.com
Please have your model number (LV400CH) and purchase information ready when contacting support.





