Levoit LV400CH User manual
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Model No.: LV400CH
Ultrasonic Cool Mist Humidifier
Thank you.
Thank you for purchasing the LV400CH Ultrasonic Cool Mist Humidifier by Levoit. We are
dedicated to providing you with quality products so that you can see a better you. Should
you have any questions or concerns about using your new product, feel free to reach out to
We hope you enjoy your new product!
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Table of Contents
Safety Information
Main Functions
Set-Up
Operation
Cleaning & Maintenance
Troubleshooting
Warranty Information
Customer Support
4
5
6
7
11
13
15
16
Specifications
Voltage:
Rated Power:
Eective Range:
Water Tank Capacity:
Max Moisture Capacity:
AC 120V/60Hz
25W
10m² (107 ft²)
1.05 gallons (4 L)
200 mL/h
Package Contents
1 x Ultrasonic Cool Mist Humidifier
1 x User Manual
1 x Tourmaline Ceramic Filter (pre-installed)
3 x Aroma Pads
Safety Information
IMPORTANT: Please read, understand, and comply with all of the instructions provided in
this manual before using the device. Failure to comply with the instructions given in this
manual and/or using the device in ways other than the ones mentioned in this manual may
result in serious injury and/or damage the product.
• Ensure that the plug fits properly into a polarized power socket.
• Always disconnect from a power source by pulling the plug when not in use.
• DO NOT use this product in wet environments.
• DO NOT use your hand or any other object to cover the nozzle while the unit is on. Doing
so may damage the product.
• DO NOT clean the unit while it is connected to a power source or while it is on.
• Remove the water tank from the base before moving the humidifier.
• DO NOT place the humidifier near sources of heat, such as stove tops, ovens, radiators or
computers.
• DO NOT place the humidifier near any large pieces of furniture or in any high-trac area
where it can be easily knocked over.
• Unplug the unit when not in use, or while cleaning it out.
• DO NOT use cleaning detergents to clean the humidifier; only use distilled white vinegar.
• DO NOT plug in the unit with wet hands.
• DO NOT place foreign objects into the unit’s base or water tank. Do not use other items
as replacement parts for this product.
• Keep the humidifier out of reach from children.
• Only use this air purifier as described in this manual.
• Contact customer service if the unit is damaged or if it is not functioning properly.
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1. Nozzle
2. Water tank
3. Water tank window
4. Tourmaline ceramic filter
5. Water tank cap
6. Night-light
7. Power button
8. Base
9. Inner chamber
10. Transducer
11. Water level sensor
12. Aroma box
13. Aroma pad
14. Charcoal filter
Main Functions
9
1 14
11
10 5
4
8
6
7
12 13
3
2
Top Back
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Set-Up
1. Remove the water tank from the base.
2. Flip the tank over and unscrew the water
tank cap.
3. Fill the tank with cold or room
temperature water (use distilled water for
best results). You can gauge how much
water is in the tank by looking through
the water tank window; the maximum
capacity of the water tank is 1.05 gallons
(4 liters).
4. Replace the cap once you have filled the
tank to your desired level.
5. Carefully place the water tank back on
the base, aligning the water tank window
with the power button.
NOTE:
• For best results, fill the water tank with distilled water.
• DO NOT fill the tank with hot water.
• DO NOT add water through the nozzle. - 6 -
Operation
1. Plug the unit in an electrical outlet.
2. Press the power button once to set the
humidifier to the low mist setting. The
power button will light up blue.
3. Press the power button again to set the
unit to the high mist setting. The power
button will light up purple.
NOTE: While the humidifier is operating,
the power button light will automatically
turn o after 30 seconds of inactivity. To
check or change the current mist setting,
simply press the power button again.
4. (Optional) Press and hold the power
button for 2 seconds to turn on or turn
o the built-in night-light.
5. Press the power button once more to
turn o the humidifier.
6. When the water level is low, the power
button will light up red and the unit will
automatically turn o.
7. Unplug the humidifier and refill the
water tank as mentioned in the Set-up
section.
NOTE:
• The nozzle can rotate 360° to diuse
mist in any direction.
• The night-light will remain on if the
humidifier shuts o due to low water
level.
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Using the Aroma Box
Your new humidifier can also be used as an
aroma diuser to provide added comfort in
your home.
1. Unplug the humidifier from its power
source.
2. Remove the aroma box from the back of
the base.
3. Add 2-3 drops of essential oil on the
aroma pad.
4. Replace the aroma box. Fill the water
tank with water and place it back on the
base as mentioned in the Set-up section.
5. Plug in and turn on the humidifier.
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Preventing Water Leaks
When not sealed properly, the water tank
on your new LV400CH Ultrasonic Cool Mist
Humidifier may leak. The following tips will
ensure that your humidifier will operate
smoothly.
1. Make sure the silicone ring around the
water tank cap is secured at all times.
2. Twist the cap clockwise to secure it onto
the water tank. Make sure the silicone
ring is not deformed.
3. When moving the humidifier, remove
the tank from the base and empty any
excess water inside the inner chamber
before moving the base.
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4. Wipe o any excess on water on the
base before replacing the tank.
5. DO NOT shake the humidifier or place
it on an inclined surface. Always make
sure to place the humidifier on a flat,
level surface.
NOTE:
• If the relative humidity in your room exceeds 68%, it is
recommended to use the low mist setting or turn o the device.
• Make sure your room is well-ventilated; this will better help
humidify your room.
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