Introduction
This manual provides detailed instructions for the safe and efficient operation, maintenance, and troubleshooting of your LEVOIT LV600HH 6L Hybrid Ultrasonic Humidifier. Please read this manual thoroughly before first use and retain it for future reference.

Image: The LEVOIT LV600HH Hybrid Ultrasonic Humidifier, black in color, shown with its remote control. The humidifier features a clear water tank and a digital display panel.
Important Safety Instructions
- Always place the humidifier on a firm, flat, waterproof surface at least 12 inches (30 cm) away from walls and appliances.
- Do not place the humidifier directly on wooden floors or furniture without a protective mat or towel underneath to prevent water damage.
- Use only clean, distilled, or filtered water. Tap water may contain minerals that can cause white dust and promote mold growth.
- Exercise caution when using the warm mist function, as the mist emitted can be hot.
- Unplug the humidifier before filling, cleaning, or moving it.
- Keep the humidifier out of reach of children and pets.
- Do not block the mist outlet or air intake.
- Clean the humidifier regularly, at least once a week, to prevent mineral buildup and bacterial growth.
Package Contents
Upon unpacking, please verify that all items listed below are present and in good condition:
- 1 x LEVOIT LV600HH Hybrid Ultrasonic Humidifier
- 1 x Remote Control
- 1 x Cleaning Brush
- 3 x Aroma Pads (1 pre-installed)
- 3 x Absorption Pads (1 pre-installed)
- 1 x User Manual (this document)
Product Overview
Familiarize yourself with the components of your humidifier.

Image: An illustration of the LEVOIT LV600HH humidifier in a living room setting, with callouts indicating its high efficiency, warm and cool mist capability, 50-hour runtime, smart auto mode, and customizable humidity settings.
Main Components:
- Water Tank: 6-liter capacity for extended operation.
- Mist Outlet: Where mist is dispersed.
- Control Panel/Display: For adjusting settings and viewing status.
- Base: Contains the ultrasonic atomizer and heating element.
- Aroma Box: For essential oil diffusion.
- Remote Control: For convenient operation from a distance.
Setup
- Unpack: Carefully remove all packaging materials and place the humidifier on a flat, stable surface.
- Placement: Position the humidifier in a suitable location, ensuring it is at least 12 inches (30 cm) from walls and furniture. Avoid placing it on carpets or directly on wooden surfaces.
- Fill Water Tank: Remove the water tank lid. Fill the tank with distilled or filtered water. Do not exceed the maximum fill line. Replace the lid securely.
- Connect Power: Plug the power cord into a standard 120V AC outlet.
Operating Instructions
Power On/Off
- Press the Power Button on the control panel or remote control to turn the humidifier on or off.
Mist Level Adjustment (Warm/Cool Mist)

Image: A split image demonstrating the dual mist capabilities of the LEVOIT LV600HH humidifier. One side shows warm mist with benefits like raising humidity and relieving flu symptoms, while the other shows cool mist for skin moisturization and quiet operation.
- Press the Mist Level Button to cycle through low, medium, and high mist output settings.
- Press the Warm Mist Button to activate the warm mist function. Press again to turn off.
- The humidifier will default to cool mist if warm mist is not selected.
Humidity Setting (Auto Mode)

Image: The LEVOIT LV600HH humidifier on a bedside table, with mist rising. Text indicates quiet operation (less than 28dB) and an automatic mode that adjusts mist levels based on humidity, turning off if over-humidified.
- Press the Humidity Button to set your desired humidity level (e.g., 40%–60%). The humidifier will automatically adjust mist output to maintain this level.
- Activate Auto Mode by pressing the Auto button. The humidifier will automatically maintain a healthy humidity range, increasing mist when too dry and shutting off when over-humidified.
Timer Function
- Press the Timer Button to set an operating duration from 1 to 12 hours. The humidifier will automatically turn off once the set time expires.
Essential Oil Diffuser

Image: The LEVOIT LV600HH humidifier with its aroma box pulled out, showing a bottle of essential oil being added to an aroma pad. A woman is shown in the background enjoying the diffused aroma.
- Locate the aroma box on the side of the humidifier. Pull it out.
- Add 5-10 drops of essential oil onto the aroma pad.
- Slide the aroma box back into the humidifier. The mist will carry the aroma into the air.
- Note: Do not add essential oils directly into the water tank.
Remote Control Usage
- The remote control allows you to operate all functions of the humidifier from a distance. Ensure the remote is pointed towards the humidifier's display panel.
- Buttons on the remote mirror the functions on the main control panel.
Maintenance
Regular cleaning is essential for optimal performance and hygiene.
Daily Maintenance:
- Empty and rinse the water tank and base daily.
- Allow all parts to air dry before reassembly.
Weekly Cleaning:
- Unplug: Always unplug the humidifier before cleaning.
- Disassemble: Remove the water tank and any other removable parts.
- Descaling: Fill the base with 1 cup (240 mL) of white vinegar. Let it sit for 15-20 minutes to loosen mineral buildup.
- Scrub: Use the provided cleaning brush to gently scrub the heating plate and ultrasonic atomizer.
- Rinse: Thoroughly rinse all components with clean water until the smell of vinegar is gone.
- Dry: Wipe all surfaces dry with a clean cloth or allow to air dry completely before reassembling.
- Aroma Pad: Replace the aroma pad every 2-3 months, or when the scent is no longer noticeable.
- Absorption Pad: Replace the absorption pad as needed, typically when it appears discolored or hardened.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| No mist or low mist output |
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| White dust around humidifier |
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| Unusual odor |
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| Humidifier is leaking |
|
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Specifications
| Model Name | LV600HH |
| Voltage | AC 120V / 60Hz |
| Rated Power | 280W |
| Water Tank Capacity | 6L (1.59 gallons) |
| Max Cool Mist Output | 300 mL/h |
| Max Warm Mist Output | 500 mL/h |
| Running Time | 10–60 hours (depending on settings) |
| Coverage Area | Up to 753 ft² / 70 m² |
| Noise Level | <28 dB |
| Dimensions | 11.6"D x 7.7"W x 11.3"H |
| Item Weight | 4.84 pounds (2.2 kg) |
Warranty and Support
LEVOIT provides a warranty for this product. For detailed warranty information, please refer to the warranty card included in your package or visit the official LEVOIT website. If you encounter any issues or have questions regarding your humidifier, please contact LEVOIT Customer Support for assistance.
Website: www.levoit.com
Email: support@levoit.com





