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Levoit LV550HH - User Manual

Levoit LV550HH
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Questions or Concerns?
Please contact us Mon-Fri 9:00AM-5:00PM PST
at (888) 726-8520 or email support@levoit.com
Hybrid Ultrasonic Humidifier
Model No.: LV550HH
Questions or Concerns?
Please contact us Monday - Friday 9:00 am - 5:00 pm PST
at support@levoit.com or at (888) 726-8520.

Other manuals for Levoit LV550HH

Questions and Answers

  • M
    Marc JacksonSep 7, 2025
    Why does my Levoit Humidifier produce an unusual smell?
    • B
      Brian MolinaSep 7, 2025
      If your Levoit Humidifier produces an unusual smell, rinse the water tank and let the humidifier air dry if it's new. If you've used the aroma pad, remove it, rinse it under clean water, and let it dry.
  • W
    William BellAug 22, 2025
    What to do if my Levoit Humidifier is not producing mist?
    • C
      Christina ElliottAug 22, 2025
      If your Levoit Humidifier isn't producing mist, there might be a few reasons. First, make sure the humidifier is plugged into a working electrical outlet and turned on by tapping the power button. Also, check the water tank and add at least 2 cups of clean water if it's empty. If the water level is low, make sure to add more water.
  • T
    Teresa HernandezSep 5, 2025
    Why does white dust appear around my Levoit LV550HH?
    • J
      Jason EwingSep 5, 2025
      If white dust appears around your Levoit Humidifier after using it, it's likely due to high mineral content in your water. Try using distilled, purified, or filtered water instead. Remember to clean the water tank at least once a month.
  • N
    nwatersSep 3, 2025
    What to do if my Levoit LV550HH produces an unusual smell?
    • M
      Meghan WiseSep 3, 2025
      If your Levoit Humidifier is producing an unusual smell: * If the humidifier is new, remove the water cap and place the water tank in a cool, dry place for 12 hours. * If you diffused essential oils, rinse the aroma pad under clean water and let it dry. * Clean the humidifier.
  • A
    Autumn JohnsonSep 2, 2025
    Why is no mist coming out of my Levoit LV550HH?
    • V
      Veronica KingSep 2, 2025
      If your Levoit Humidifier isn't producing mist, make sure that: * The humidifier is plugged in and turned on. * The water tank has at least 2 cups of clean water. * The humidifier is clean. * The air vent is dry (remove the water tank and allow the vent to fully air dry before using again).
  • B
    Bobby MillerAug 31, 2025
    What to do if my Levoit Humidifier displays the wrong humidity level?
    • S
      Stephen JohnsonSep 1, 2025
      If your Levoit Humidifier is displaying an incorrect humidity level, it may be because the room is larger than the humidifier's effective range. Move the humidifier to a room that is within the effective range of 430–753 ft² (40–70 m²). If the relative humidity in the room is over 68% RH, set the humidifier to the lowest mist setting or turn it off. Also, turn off the humidifier and allow the humidity sensor to completely air dry before resuming use. Make sure the nozzle is facing away from the humidity sensor.
  • N
    Nathan SantosAug 30, 2025
    How to prevent white dust from my Levoit LV550HH?
    • D
      Dorothy AndersonAug 30, 2025
      White dust around your Levoit Humidifier is likely due to high mineral content in your water. Use distilled water with the humidifier to prevent this. If distilled water isn't available, use purified or filtered water. Clean your water tank at least once a month.
  • J
    Jason GonzalezAug 29, 2025
    How to fix a loud or unusual noise from my Levoit LV550HH Humidifier?
    • J
      Jeanne DunnAug 29, 2025
      If your Levoit Humidifier is making a loud or unusual noise, try these steps: 1. Turn off and unplug the unit, then realign the water tank cap with its opening in the inner chamber, ensuring the safety lock is in position. 2. Add at least 2 cups of clean water to the water tank if the water level is low. 3. Place the unit on a flat, level surface.
  • K
    kathleenavilaAug 27, 2025
    What to do if a puddle of water forms below my Levoit LV550HH?
    • R
      Ruth ClarkAug 27, 2025
      If a puddle of water forms below your Levoit Humidifier, try the following: * Switch to a lower mist setting. * Ensure the room is well-ventilated by opening a window or moving the humidifier. * Check that the water tank is correctly positioned and the safety lock is in position. * Wipe off any excess water from the base before replacing the tank.
  • E
    Eric StephensAug 27, 2025
    Why does my Levoit Humidifier make a loud or unusual noise?
    • D
      darleneowenAug 27, 2025
      If your Levoit Humidifier is making loud or unusual noises: * Ensure the water tank is properly in place. * Place the humidifier on a flat, level surface. * Make sure there are at least 2 cups of clean water in the water tank.

Summary

Package Contents

Specifications

Safety Information

General Safety

Safety guidelines for using the humidifier as described in the manual.

Use & Care

Guidelines for placing and using the humidifier safely and properly.

Getting to Know Your Humidifier

LCD Display

Explains the icons and indicators shown on the humidifier's LCD screen.

Control Panel

Details the functions of each button on the humidifier's control panel.

Getting Started

Operation

General Operation

Step-by-step instructions for turning the humidifier on and off.

Button Controls

Explains the functions of the power, display, warm mist, and night light buttons.

Humidity Button

Details the Auto Mode function for maintaining relative humidity based on ambient temperature.

Customizable Humidity

How to set and adjust the desired humidity level from 30-80% RH.

Cancel Mist Functions

Instructions on how to cancel any mist function on the humidifier.

Timer Button

Explains how to set and cancel the built-in 12-hour timer for automatic shutoff.

Mist Level Controls

How to select between 5 different mist levels using panel buttons or +/- controls.

Humidity Sensor

Tips for ensuring the proper functioning of the humidity sensor on the power cord.

Automatic Shut Off

Explains how the humidifier turns off automatically due to low water or timer completion.

Memory Function

Describes how the humidifier retains programmed settings when powered off.

Using the Aroma Box

Preventing Water Leaks

Keeping Things Clean

General Cleaning

Step-by-step guide for cleaning the humidifier components regularly.

Cleaning the Aroma Pad

Instructions on how to clean the aroma pad and where to purchase replacements.

Disinfecting the Humidifier

Method for disinfecting the water tank and base using bleach or peroxide.

Replacing the Remote Control Battery

Troubleshooting

Warranty Information

Terms & Policy

Details the terms, conditions, and limitations of the product warranty.

Additional 1-Year Warranty

Information on how to register for an extended one-year warranty.

Customer Support

Levoit LV550HH Specifications

General IconGeneral
Model NumberLV550HH
Mist Output500 ml/h
Voltage120V
MaterialPlastic
ColorWhite
TypeUltrasonic Humidifier
Water Tank Capacity6 liters
Coverage Area753 square feet
Humidity Settings40% to 80%
Noise Level30 dB
Additional FeaturesRemote control
Power280W

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