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Levoit Classic 300 Series - User Manual

Levoit Classic 300 Series
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Classic 300 Lite Ultrasonic Cool Mist Humidifier
Product Series: Classic 300
Model: LUH-A603-WCA
Questions or Concerns?
Please contact us MonFri, 9:00 am5:00 pm PST/PDT
at support@levoit.com or at 888 7268520.
USER MANUAL
EN • FR

Questions and Answers

  • J
    Jack CampbellJul 29, 2025
    What to do if the refill indicator light turns on in my Levoit Classic 300 Humidifier?
    • M
      Matthew ClarkJul 29, 2025
      If the refill indicator is on, refill the water tank. Also, ensure the water tank is placed correctly on the base. If the issue persists, the water filter may need cleaning (see page 11 in the manual) or replacement. You can also place the water tank properly on the base.
  • L
    lcastroAug 6, 2025
    Why is my Levoit Humidifier producing little or no mist?
    • S
      sleeAug 6, 2025
      If your humidifier isn't producing enough mist, first, try turning the mist level to a higher setting. Also, check if there is too much water in the base chamber; if so, empty it and refill the water tank (not the base chamber), then place the tank properly onto the base. Ensure that the air inlet on the bottom of the base isn't blocked and that the nozzle isn't blocked or clogged. Avoid placing the humidifier on surfaces like carpet that could block the air inlet.
  • D
    Dean NelsonAug 14, 2025
    Why does my Levoit Classic 300 Humidifier have an unusual smell?
    • J
      Jonathan RangelAug 14, 2025
      If your humidifier has an unusual smell and it is new, unplug and rinse all parts. Then, place them in a cool, dry place for 12 hours. You can also try cleaning the water tank and base chamber (see Care & Maintenance, page 11).
  • C
    clarkchadAug 20, 2025
    Why is condensation forming around my Levoit Classic 300 Humidifier or windows?
    • F
      fwilliamsAug 20, 2025
      Condensation around your humidifier or windows suggests the humidity may be too high. Try turning down the mist level or turning off the humidifier. Alternatively, open a door or window in the room to reduce humidity.

Summary

Product Overview and Specifications

Package Contents

Lists items included with the humidifier.

Specifications

Details technical specifications of the humidifier.

Safety Information

Power and Cord Safety

Details safety precautions related to the power cord and plug.

Getting to Know and Operate Your Humidifier

Humidifier Components

Identifies and explains the different parts of the humidifier.

Controls and Indicators

Explains the function of the control knob and refill indicator light.

Getting Started

Step-by-step instructions for initial setup and first use.

Filling and Refilling

Guides on how to properly fill and refill the water tank, including cautions.

Using Your Humidifier

Instructions on operating the humidifier, adjusting mist levels, and turning it on/off.

Important Operational Tips

Provides essential advice for optimal humidifier performance.

Care and Maintenance

Routine Cleaning

Details procedures for regular cleaning of the humidifier components.

Descaling Your Humidifier

Step-by-step guide for removing mineral buildup and scale.

Reassembling the Humidifier

Instructions for putting the humidifier back together after cleaning.

Storing the Humidifier

Guidance on how to properly store the humidifier when not in use.

Troubleshooting

Warranty and Customer Support

Warranty Information

Details the product warranty terms, conditions, and limitations.

Customer Support

Provides contact information and support hours for customer assistance.

Levoit Classic 300 Series Specifications

General IconGeneral
ModelClassic 300S
Water Tank Capacity6 liters
RuntimeUp to 60 hours
Noise Level≤ 28dB
Power24W
VoltageAC 120V, 60Hz
Weight4.3 lbs
Adjustable Mist LevelsYes
Aroma DiffuserYes
Auto ModeYes
Sleep ModeYes
Power Consumption24W
ColorWhite
TypeUltrasonic
Mist Output300 mL/h
ControlTouch Control
Voice ControlYes
MaterialPlastic
Warranty1-year warranty (extendable to 2 years)

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