Levoit Humidifier LUH-M101S-WEUR Manual

The Levoit LUH-M101S-WEUR is a 3.5L ultrasonic cool mist humidifier designed for medium to large rooms. It features a 360° nozzle, adjustable mist output, optional night light, auto shut-off when water runs low, and a quiet operation mode. It helps alleviate dry air discomfort and is ideal for bedrooms, living rooms, and offices. 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. Safety Features 9. Regulatory Information 10. Troubleshooting

Features at a Glance

Key components: 3.5L water tank, ultrasonic mist generator, 360° adjustable nozzle, control panel with touch buttons, night light, and filter (if included).

Feature	Description
Water Tank Capacity	3.5 liters (0.92 gallons)
Mist Output	Adjustable from low to high (up to 300 mL/h)
Run Time	Up to 40 hours on low setting
Noise Level	< 30 dB in sleep mode
Nozzle	360° rotatable for directional mist control
Night Light	Optional warm white light with on/off control
Auto Shut-Off	Automatically turns off when water level is low
Filter	Demineralization filter (optional) to reduce white dust
Power Source	AC 220-240V, 50/60Hz (EU plug)
Control Panel	Touch buttons for power, mist level, timer, night light

Installation & Setup

Unpack and inspect all parts. Place on a flat, stable, and water-resistant surface.

Remove the water tank from the base.
Fill the tank with clean, cool tap water up to the MAX line. Do not overfill.
Securely reattach the tank to the base, ensuring it is properly seated.
Plug the power adapter into a suitable electrical outlet (220-240V).
Place the humidifier at least 30 cm away from walls and electronic devices.

WARNING! Use only clean, cool water. Do not use hot water, essential oils, or additives unless specified. Keep away from children and pets.

First-Time Use

Power on the humidifier and configure initial settings.

Press the POWER button to turn on the unit.
Adjust mist output: Press MIST button to cycle through Low, Medium, High settings.
Set timer (optional): Press TIMER to set 1-12 hours; unit will auto shut-off after set time.
Control night light: Press LIGHT button to turn on/off the warm white night light.
Rotate the 360° nozzle to direct mist away from walls and furniture.

CAUTION! Ensure the unit is on a level surface to prevent water leakage. Do not block the mist outlet.

Specifications

Model: LUH-M101S-WEUR
Tank Capacity: 3.5L
Coverage Area: Up to 30 m² (323 sq ft)
Mist Output: Adjustable, up to 300 mL/h
Operating Time: 10-40 hours (depending on mist level)
Noise Level: ≤ 30 dB (sleep mode)
Power Consumption: 25W max
Power Supply: AC 220-240V, 50/60Hz
Dimensions: 24 x 24 x 34 cm
Weight: 2.1 kg (with empty tank)

Controls and Settings

Control Panel (located on top of base unit):

Buttons: POWER (on/off), MIST (adjust output level: Low/Med/High), TIMER (set 1-12 hours), LIGHT (night light on/off).

Indicator Lights: Power (blue), Mist level (LED indicators), Timer (green), Low water (red).

Settings Overview:

Mist Level: Three settings for customized humidity output.
Timer: Program auto shut-off from 1 to 12 hours.
Night Light: Soft warm white light; can be disabled for sleep.
Auto Shut-Off: Activates when water tank is empty; red indicator lights up.

Operation Modes

Normal Mode: Default operation with adjustable mist levels.

Low Mist: Quiet operation, ideal for night use (up to 40 hours runtime).
Medium Mist: Balanced output for daytime use (up to 20 hours).
High Mist: Maximum humidification for very dry conditions (up to 10 hours).

Sleep Mode: Press and hold MIST button for 3 seconds to enter quiet sleep mode (lights dim, noise minimized).

Tip: Use the timer function to conserve energy and prevent over-humidification.

Maintenance & Cleaning

Regular cleaning prevents mold and mineral buildup.

Unplug the unit before cleaning.
Empty any remaining water from the tank and base.
Clean the tank and base with a soft cloth and mild detergent. Rinse thoroughly.
Use a vinegar solution (1:1 water and white vinegar) to descale the ultrasonic disc monthly. Soak for 20 minutes, then wipe gently.
Allow all parts to air dry completely before reassembly.
Replace the demineralization filter every 1-2 months or as needed (if included).

WARNING! Do not immerse the base unit in water. Never use abrasive cleaners or chemicals.

Safety Features

Auto Shut-Off: Turns off when water level is low (red indicator lights). Overheat Protection: Internal sensor prevents overheating. Tip-Over Protection: Unit shuts off if tilted or knocked over.

Regulatory Information

CE Certified: Complies with EU safety, health, and environmental requirements. RoHS Compliant: Free of hazardous substances. Waste Electrical and Electronic Equipment (WEEE): Do not dispose with household waste; recycle according to local regulations. For support, visit www.levoit.com or contact customer service at EU support number provided in packaging.

Troubleshooting

Symptom	Possible Cause	Corrective Action
No mist output	Low water, clogged nozzle	Refill tank; clean nozzle with soft brush; ensure unit is on.
White dust around unit	Hard water minerals	Use demineralization filter; use distilled water.
Unit not turning on	Power issue, not plugged in	Check power connection; ensure outlet works; try different outlet.
Water leakage	Tank not seated properly, overfilled	Reattach tank securely; do not fill above MAX line.
Unusual noise	Vibration, debris in water	Place on flat surface; clean tank and base; use clean water.
Night light not working	Disabled, faulty LED	Press LIGHT button; if persists, contact support.

Reset: Unplug for 5 minutes, then restart.

Service: Contact Levoit EU Support or visit www.levoit.com for warranty and repair.