Introduction
The LEVOIT LV600S Smart Warm and Cool Mist Humidifier is designed to enhance your home's comfort and well-being by maintaining optimal humidity levels. This manual provides essential information for safe and effective operation, maintenance, and troubleshooting of your device. Please read it thoroughly before first use.
Product Overview

Figure 1: LEVOIT LV600S Smart Warm and Cool Mist Humidifier with accompanying mobile app interface.
The LV600S features both warm and cool mist options, smart control via the VeSync app, and a large 6L water tank for extended operation. It is designed for large rooms up to 753 sq. ft. and operates quietly, making it ideal for bedrooms and living spaces.
Key Features:
- Warm and Cool Mist: Provides customizable comfort for various climates and needs.
- Smart Control: Manage settings, monitor humidity, and set schedules via the VeSync app, Amazon Alexa, or Google Assistant.
- Large Capacity: 6L water tank offers up to 50 hours of continuous operation.
- Top-Fill Design: Simplifies refilling and cleaning.
- Quiet Operation: Operates at less than 28dB, suitable for quiet environments.
- Aroma Box: Allows for essential oil diffusion to enhance air quality.
Setup
Unpacking and Initial Placement:
- Carefully remove all packaging materials from the humidifier and its components.
- Place the humidifier on a firm, flat, waterproof surface at least 12 inches (30 cm) away from walls and appliances. Ensure the surface is not susceptible to water damage.
- Ensure the power cord is not obstructed and is easily accessible.

Figure 2: The LV600S humidifier demonstrating its warm and cool mist capabilities, highlighting benefits like increased humidity, moisturized skin, and sinus relief.
Filling the Water Tank:
- Remove the top cover of the humidifier.
- Fill the water tank directly from the top opening. It is recommended to use distilled or filtered water to prevent mineral buildup and white dust. Do not exceed the maximum fill line.
- Replace the top cover securely.

Figure 3: Illustration of the humidifier's convenient one-step top-fill design and quick-to-clean components.
App Setup (VeSync):
For smart control features, download the VeSync app from your device's app store. Follow the in-app instructions to pair your humidifier with your smartphone. This enables remote control, scheduling, and access to advanced features.

Figure 4: The LV600S humidifier highlighting its compatibility with the VeSync app, Amazon Alexa, and Google Assistant for smart control.
Video 1: Demonstration of the Levoit LV600S App Demo, showcasing its smart control capabilities and user interface.
Operating Instructions
Power On/Off:
- Press the Power button (⏻) on the control panel to turn the humidifier on or off.
Mist Level Adjustment:
- Press the Mist button (♨) repeatedly to cycle through mist levels (1-9).
Warm Mist Function:
- Press the Warm Mist button (🔥) to activate the warm mist. Press again to cycle through warm mist levels (1-3).
Humidity Setting (Auto Mode):
- Press the Humidity button (⎖) to set a target humidity level (e.g., 55%). The humidifier will automatically stop misting when the target is reached and resume if humidity drops 5% below the target.
Timer Function:
- Press the Timer button (◷) to set an auto-off timer (up to 12 hours).
Sleep Mode:
- Press the Sleep button (☾) to enter sleep mode. This turns off all display lights and operates the humidifier quietly.
Video 2: A detailed review of the LEVOIT LV600S Smart Humidifier, demonstrating its features and functionality, including mist and humidity controls.
Maintenance
Regular cleaning is crucial for optimal performance and longevity of your humidifier. Use distilled or filtered water to minimize mineral buildup.
Daily Maintenance:
- Empty and rinse the water tank and base daily.
- Wipe down the mist tube and nozzle.
Weekly Cleaning:
- Unplug the humidifier and remove the top cover and water tank.
- Pour 1 cup (240 mL) of distilled white vinegar into the base.
- Let it soak for 20 minutes.
- Use a cleaning brush (included) to clean the heating element and ultrasonic atomizer.
- Rinse all parts thoroughly with clean water until the smell of vinegar is gone.
- Dry all parts completely before reassembling.
Video 3: A user demonstrating the cleaning process for the humidifier, emphasizing the importance of regular maintenance to prevent issues like leaking.
Essential Oil Aroma Box:
- Locate the aroma box on the side of the humidifier.
- Pull out the tray and add 2-3 drops of your preferred essential oil onto the aroma pad.
- Slide the tray back into the humidifier.
- Clean the aroma pad regularly with warm water and mild soap.
Video 4: A quick demonstration of the humidifier's top-fill feature and the aroma box for essential oils.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| No mist or low mist output | Low water level; Mineral buildup; Mist nozzle blocked. | Refill water tank; Clean the humidifier (see Maintenance); Clear any obstructions from the mist nozzle. |
| White dust around humidifier | Using hard tap water. | Use distilled or filtered water; Clean the humidifier regularly. |
| Unusual noise | Humidifier not on a flat surface; Water tank not properly seated. | Place on a flat, stable surface; Re-seat the water tank correctly. |
| Humidifier leaking | Overfilled water tank; Improper assembly; Damaged components. | Do not overfill; Ensure all parts are correctly assembled; Contact support if components are damaged. |
Specifications
- Brand: LEVOIT
- Model Name: Humidifiers for Bedroom Large Room (LV600S)
- Item Model Number: LUH-A602S-WUS
- UPC: 810043375023
- Special Feature: Warm and cool mist, Smart Control, Top fill
- Color: White
- Floor Area Coverage: 753 Square Feet
- Operation Mode: Ultrasonic
- Product Dimensions: 7.7"D x 11.6"W x 11.3"H
- Item Weight: 6 Pounds
- Voltage: 120 Volts
- Wattage: 280 watts
- Control Method: App (VeSync)
- Included Components: 1 x Smart Ultrasonic Humidifier, 1 x Cleaning Brush, 3 x Aroma Pads (1 pre-installed), 3 x Absorption Pads (1 pre-installed), 2 x Water Filter Sponge (1 pre-installed), 1 x User Manual, 1 x Quick Start Guide
Warranty and Support
LEVOIT provides a 2-year warranty for the LV600S humidifier. For any product-related inquiries, technical support, or warranty claims, please contact LEVOIT customer support directly.
- Official User Manual (PDF): Download PDF
- LEVOIT Brand Store: Visit Store





