Levoit Humidifier OasisMist600S Manual

The Levoit OasisMist600S is a top-fill ultrasonic humidifier with a 6-liter capacity, designed for medium to large rooms up to 500 sq ft. It features a 360° nozzle, adjustable mist levels, a built-in essential oil diffuser tray, a night light with multiple colors, a humidity sensor with auto mode, a timer, and a remote control. Operates quietly with a 30-hour runtime on low setting. Below are key sections for safety, features, setup, operation, maintenance, and troubleshooting.

1. Features at a Glance 2. Installation & Setup 3. First-Time Use 4. Specifications 5. Controls and Settings 6. Operation Modes 7. Maintenance & Cleaning 8. Using Essential Oils 9. Regulatory Information 10. Troubleshooting

Features at a Glance

Key components: 6L transparent water tank, 360° adjustable mist nozzle, control panel with digital display, remote control, essential oil tray, night light, humidity sensor, and power adapter.

Feature	Description
Top-Fill Design	Easy to fill directly from the top without removing the tank
6L Water Tank	Large capacity for up to 30 hours of continuous use on low
Ultrasonic Cool Mist	Quiet operation, safe for children and pets
360° Mist Nozzle	Adjustable direction for even humidity distribution
Essential Oil Tray	Built-in tray for aromatherapy diffusion
Digital Display	Shows humidity level, settings, and timer
Humidity Sensor	Auto mode maintains desired humidity level (40%-80%)
Night Light	7 color options with brightness adjustment
Remote Control	Wireless remote for convenient operation
Timer Function	Set 1-12 hours for automatic shut-off

Installation & Setup

Unpack and inspect all components. Place on a flat, stable surface away from direct sunlight and electronics.

Remove all packaging materials from the humidifier and tank.
Fill the water tank: Carry to sink, remove cap, fill with cool tap water (do not exceed MAX line).
Place tank on base: Ensure tank is properly seated and secure.
Connect power: Plug the AC adapter into the humidifier and then into a 120V outlet.
Position nozzle: Adjust 360° nozzle to desired direction.

WARNING! Use only clean, cool tap water. Do not use hot water or add oils directly to water tank. Keep away from walls and furniture to prevent moisture damage.

First-Time Use

Power on the humidifier; the digital display will illuminate.

Set humidity level: Press HUMIDITY button to set target humidity (40%-80% recommended).
Select mist level: Press MIST button to choose Low, Medium, High, or Auto mode.
Set timer (optional): Press TIMER to set 1-12 hours for automatic shut-off.
Adjust night light: Press LIGHT button to cycle through colors or turn off.
For essential oils: Add 3-5 drops to the dedicated tray (not into water tank).

CAUTION! Always place on a waterproof surface. Do not operate without water in the tank.

Specifications

Model: OasisMist600S
Water Tank Capacity: 6 liters (1.6 gallons)
Coverage Area: Up to 500 sq ft (medium to large rooms)
Mist Output: Up to 500 mL/hour (adjustable)
Runtime: Up to 30 hours on low setting
Noise Level: ≤ 30 dB (ultra-quiet)
Power Consumption: 28W max
Power Source: 120V AC, 60Hz
Dimensions: 11.8" x 11.8" x 15.7"
Weight: 8.8 lbs (empty)

Controls and Settings

Control Panel: POWER, MIST (Low/Med/High/Auto), HUMIDITY (40%-80%), TIMER (1-12h), LIGHT (7 colors/off).

Remote: POWER, MIST, HUMIDITY, TIMER, LIGHT, AUTO.

Mist Levels: Low (quiet, 150 mL/h), Medium (300 mL/h), High (500 mL/h). Auto Mode: Uses built-in sensor to maintain set humidity. Timer: 1-12 hour shut-off. Night Light: 7 colors (blue, green, red, etc.), adjustable brightness. Display: Shows current room humidity, set humidity, mist level, timer, and light color.

Operation Modes

Manual Mode: Select Low, Medium, or High mist output. Auto Mode: Set desired humidity (40%-80%); humidifier auto-adjusts to maintain level. Sleep Mode: Press and hold LIGHT for 3 seconds to dim display and reduce noise.

For daily use: Fill tank, select Auto mode at 50% humidity.
For rapid humidification: Use High setting until desired humidity reached.
For nighttime: Use Low setting with timer and night light as desired.

Tip: Ideal indoor humidity is 40%-60%. Use Auto mode to maintain healthy levels.

Maintenance & Cleaning

Regular cleaning prevents mold and mineral buildup.

Daily: Refill with fresh water; empty if not used for >24 hours.
Weekly: Clean tank with mild soap and water; rinse thoroughly.
Monthly: Descale with white vinegar solution (1:1 water/vinegar), soak for 20 mins, then rinse.
Filter: This model is filter-free; no replacement needed.
Exterior: Wipe with damp cloth; do not immerse in water.

WARNING! Unplug before cleaning. Never use abrasive cleaners or submerge base in water.

Using Essential Oils

Use only with built-in essential oil tray.

Ensure humidifier is running.
Add 3-5 drops of 100% pure essential oil to the tray (located near nozzle).
Enjoy aromatherapy; mist will carry scent.
Clean tray regularly with soap and water to prevent clogging.

CAUTION! Never add oils directly to water tank—can damage humidifier and void warranty.

Regulatory Information

FCC Part 15: Class B digital device; complies with interference limits for residential use. Copyright © 2023 Levoit. For support, visit www.levoit.com or contact 1-888-726-8520. UL listed for safety. This humidifier is not intended for medical use.

Troubleshooting

Symptom	Possible Cause	Corrective Action
No mist output	Empty tank/low water	Refill water tank; ensure tank is properly seated.
Weak mist	Mineral buildup	Clean tank and ultrasonic plate with vinegar solution.
Humidifier not turning on	Power issue	Check power connection; ensure outlet is working.
Display not working	Battery (remote)	Replace remote batteries; point remote at sensor.
Water leakage	Loose tank/cap	Ensure tank cap is tight; check for cracks in tank.
Unusual noise	Vibration on surface	Place on flat, even surface; check water level.
Error code E1	Water sensor issue	Unplug, empty tank, dry sensor area, restart.

Reset: Unplug for 1 minute, then restart.

Service: 1-888-726-8520; www.levoit.com