Evaporative Humidifier
User Manual
2
Table of Contents
Package Contents
Specifications
Safety Information
Getting to Know Your
Smart Humidifier
Controls & Indicators
Getting Started
VeSync App Setup
Using Your
Smart Humidifier
Using Your Sensor
VeSync App Functions
Care & Maintenance
Troubleshooting
Warranty Information
Customer Support
2
2
3
6
8
10
12
12
13
15
16
21
25
27
Package Contents
1 x Smart Evaporative Humidifier
1 x Wick Filter (Pre-Installed)
1 x Air Filter (Pre-Installed)
1 x Humidity Sensor
1 x AC Power Adapter
1 x User Manual
1 x Quick Start Guide
Specifications
Model Smart Humidifier
LEH-B381S-WNA
Sensor
LSR-B0201EH-WNA
Power Supply 24V 1.5A
Rated Power 19W
Water Tank
Capacity
1 gal / 3.8 L
Max Mist Output 280 mL/h ±15%
Max Runtime Sleep Mode Fan Speed:
Up to 36 hr
Low Fan Speed:
Up to 24 hr
High Fan Speed:
Up to 11 hr
Note: The humidifier may
run for a longer or shorter
time depending on the
environmental temperature
and humidity.
Noise Level* Sleep Fan Mode: < 26dB
Low Fan Mode: < 30dB
High Fan Mode: < 45dB
*Noise test conditions:
4.9 ft / 1.5 m away from
humidifier.
Eective Range 219 ft
2
/ 20 m
2
Dimensions 9.3 x 9.3 x 14.8 in
23.6 x 23.6 x 37.7 cm
Weight 6 lb / 2.73 kg
Noise Level 22–50dB
Power Adapter Input: 100–240V~
50/60Hz, 1.0A Max
Output: 24V 1.5A
Note: To access additional smart
humidifier functions, download the free
VeSync app (see page 12).
3
To reduce the risk of fire, electric shock, or other injury, follow all instructions and safety
guidelines.
READ AND SAVE THESE
INSTRUCTIONS
Safety Information
GENERAL SAFETY
• Only use your humidifier as described
in this manual.
• Do not use without removing the
plastic wrap from the air filter in
the bottom of the humidifier. If the
humidifier cannot intake air, it will result
in the inability to humidify.
• Do not use your humidifier outdoors.
• Do not use your humidifier outdoors.
• Keep your humidifier away from water,
and wet or damp areas. Never place
in water or liquid.
• Do not use in excessively humid areas.
• Keep your humidifier away from heat
sources.
• Do not use where combustible gases,
vapors, metallic dust, aerosol (spray)
products, or fumes from industrial oil
are present.
• Keep 5 ft / 1.5 m away from where
oxygen is being administered.
• Children should be supervised to
ensure that they do not play with the
humidifier.
• Do not allow children to play with
the plastic packaging. Immediately
discard the plastic after unwrapping
the wick and air filters.
• Do not place anything into any
opening on the humidifier.
• Children should be supervised to
ensure they do not insert fingers or
objects into the vent openings.
• Do not sit or place heavy objects on
the humidifier.
• Do not add essential oils,
supplemental water treatment liquids,
or water filters into the water tank. This
will damage the humidifier and cause
leaks.
• Always unplug your humidifier before
servicing (such as changing the filter).
• Do not use your humidifier if it is
damaged or not working correctly,
or if the cord or plug is damaged. Do
not try to repair it yourself. Contact
Customer Support (see page 27).
• WARNING: To reduce the risk of fire
or electric shock, do not use this
humidifier with any solid-state speed
controls (such as a dimmer switch).
• Children should not clean or perform
maintenance on the humidifier without
supervision.
• This humidifier is not to be used by
persons (including children) with
reduced physical, sensory, or mental
capacities, or lack of experience
and knowledge, unless they have
been given supervision or instruction
concerning the use of the appliance
by a person responsible for their
safety.
• Not for commercial use. Household
use only.
4
ELECTROMAGNETIC FIELDS
(EMF)
POWER ADAPTER & CORD
Safety Information (cont.)
• Keep the humidifier near the outlet it is
plugged into.
• Your humidifier’s adapter has a
polarized plug (one prong is wider
than the other), which fits into a
polarized outlet only one way. This is
a safety feature to reduce the risk of
electric shock. If the plug does not fit,
reverse the plug. If it still does not fit,
do not use the plug in that outlet. Do
not bypass this safety feature.
• Never place the adapter near any
heat source.
• Do not handle the power adapter or
plug with wet hands. Keep the plug
and power adapter away from liquids.
• Do not cover the cord with a rug,
carpet, or other covering. Do not
place the cord under furniture or
appliances.
• Keep the cord out of areas where
people walk often. Place the cord
where it will not be tripped over.
• This humidifier is only to be used with
the power supply adapter provided
with the humidifier.
• If the power adapter is damaged,
it must be replaced by Arovast
Corporation or similarly qualified
persons in order to avoid an electric or
fire hazard. Please contact Customer
Support (see page 27).
• This humidifier’s power adapter uses
standard North American 120V, 60Hz
outlets. If using outside the US or
Canada, check for compatibility.
• Unplugging the power adapter will
temporarily disconnect the humidifier
from VeSync and other third-party
apps.
This humidifier complies with all
standards regarding electromagnetic
fields (EMF). If handled properly and
according to the instructions in this user
manual, the appliance is safe to use
based on scientific evidence available
today.
WARNING
INGESTION HAZARD:
This product contains a button cell or
coin battery.
WARNING: CHEMICAL
BURN HAZARD
• DEATH or serious injury can occur if
ingested;
• A swallowed button cell or coin
battery can cause Internal Chemical
Burns in as little as 2 hours;
• KEEP new and used batteries OUT OF
REACH of CHILDREN;
• Seek immediate medical attention if a
battery is suspected to be swallowed
or inserted inside any part of the
body;
• Remove and immediately recycle or
dispose of used batteries according to
local regulations and keep away from
5
Safety Information (cont.)
children. DO NOT dispose of batteries
in household trash or incinerate;
• Even used batteries may cause severe
injury or death;
• Call a local poison control center for
treatment information;
• Only use with a 3V CR2025 battery;
• Non-rechargeable batteries are not to
be recharged;
• Do not force discharge, recharge,
disassemble, heat above
(manufacturer’s specified temperature
rating) or incinerate. Doing so may
result in injury due to venting, leakage
or explosion resulting in chemical
burns;
• Ensure the batteries are installed
correctly according to polarity
(+ and -);
• Do not mix old and new batteries,
dierent brands, or types of batteries,
such as alkaline, carbon-zinc, or
rechargeable batteries;
• Remove and immediately recycle or
dispose of batteries from equipment
not used for an extended period of
time according to local regulations;
• Always completely secure the
battery compartment. If the battery
compartment does not close securely,
stop using the product, remove the
batteries, and keep them away from
children;
• Place sticky tape around both sides
of the battery and dispose of it
immediately in an outdoor trashcan or
recycle it safely;
• Store spare batteries securely;
• Empty recycling units on a regular
basis;
• Use non-transparent containers to
keep the batteries out of view.
Unfortunately, it is not obvious when a
button or coin battery is stuck in a child’s
esophagus (food pipe). The child might:
• Cough, gag, or drool a lot;
• Appear to have a stomach upset
or a virus;
• Be sick;
• Point to their throat or stomach;
• Have pain in their abdomen, chest,
or throat;
• Be tired or lethargic;
• Be quieter or more clingy than
usual or otherwise “not themselves”;
• Lose their appetite or have a
reduced appetite;
• Not want to eat solid food / be
unable to eat solid food.
These sorts of symptoms vary or
fluctuate, with the pain increasing and
then subsiding.
A specific symptom to button and coin
battery ingestion is vomiting fresh (bright
red) blood. If a child does this, seek
immediate medical help.
The lack of clear symptoms is why it is
important to be cautious with “flat” or
spare button or coin batteries in the
home and the products that contain
them. Be aware that even used button
or coin batteries may cause injury.
Call the National Battery Ingestion
Hotline at 1-800-498-866 for
treatment information.
SAVE THESE INSTRUCTIONS
6
Getting to Know Your Smart Humidifier
A. Tank Lid
B. Water Tank
C. Air Outlet Frame
D. Air Inlet Frame
E. Control Panel
F. Motor Frame
G. Night Light
H. Wick Filter
I. Wick Cover
J. Wick Frame
K. Floats
L. Air Filter
M. Power Adapter Input
N. Power Adapter
O. Humidity Sensor
A
B
C
I
H
K
J
G
M
F
L
D
E
O
N
HUMIDIFIER
7
A. Humidity Comfort Level
B. Relative Humidity
C. Battery Level
D. Connectivity Signal
E. Temperature
F. Screen Backlight On/O Button
SENSOR
CONTROL PANEL
A
B
C E FD H
C
B
A
G
D
I J K L
F
M
E
A. Fan Speed Indicators
B. Auto Mode Indicator
C. Baby Sleep Mode Indicator
D. Wi-Fi Indicator
E. Safety Lock Indicator
F. Check Filter Indicator
G. Sensor Connection Indicator
H. No Water Indicator
I. Humidify / Dry Mode Button
J. Baby Sleep Mode Button
K. On/O Button
L. Safety Lock Button
M. Night Light / Reset Filter Button
Getting to Know Your Smart Humidifier (cont.)
8
Controls
Humidify / Dry Mode Button
During humidification:
• Tap repeatedly to cycle
through fan speeds: low,
high, and Auto Mode
(see page 14).
• The Fan Speed Indicators
will light up white.
During Dry Mode
(see page 14):
• The Fan Speed Indicators
will light up orange during
Dry Mode.
• Tap repeatedly to cycle
through Dry Mode fan
speeds: low, high, and turbo.
• You can also turn Auto Dry
Mode on/o in the VeSync
app.
Baby Sleep Mode Button
• Tap to turn Baby Sleep
Mode on (see page 14).
• After 3 seconds, all indicator
lights will turn o.
• To turn Baby Sleep Mode
o, tap to wake up the
control panel, then tap .
Safety Lock Button
When selected, all buttons
(except ) will be locked
and cannot be selected.
• Press and hold for 3 seconds
to turn Safety Lock on/o.
will light up when locked.
• You can also turn Safety
Lock on/o in the VeSync
app.
Night Light / Reset Filter
Button
• Tap to turn Night Light on/
o (see page 15).
• Press and hold for 3 seconds
to reset the Check Filter
Indicator after replacing the
filter(s).
On/O Button
• Tap to turn the humidifier
on/o.
• Press and hold for 5 seconds
to pair with the VeSync app.
See the in-app instructions
for more information.
• Press and hold for 15
seconds to reset the
humidifier. This will restore
the humidifier’s default
settings and disconnect it
from Wi-Fi
®
and the VeSync
app (see page 12).
9
Indicators
Fan Speed Indicators
• Lights up white when in
humidification mode.
• Lights up orange when in
Dry Mode.
Auto Mode Indicator
• Lights up white when in
Auto mode.
Note: You must connect the
humidity sensor to use Auto
Mode.
• Lights up orange when in
Dry Mode to indicate turbo
fan speed.
Baby Sleep Mode Indicator
• Lights up when Baby Sleep
Mode is on.
Wi-Fi Indicator
• Blinks blue while pairing to
the VeSync app and stays
solid once successfully
connected.
Sensor Indicator
• When the sensor does not
successfully connect, the
indicator lights up red.
• When the sensor
successfully connects, the
indicator light will turn o.
No Water Indicator
• Lights up red when:
• There is a water shortage
in the tank.
• The wick filter is not
detected.
• The humidifier detects
an error.
Safety Lock Indicator
• Lights up when Safety Lock
is on.
• Press and hold for 3 seconds
to reset the Check Filter
Indicator after replacing the
filter(s).
Check Filter Indicator
• Lights up red when the air
filter or wick filter should be
checked. To see which filter
needs to be replaced, check
in the VeSync app.
• Press and hold for 3
seconds to reset after
replacing a filter.
10
1. Remove the humidifier from the box
and its packaging.
2. Place the humidifier on a hard, flat
location at least 12 inches / 30 cm
away from any walls to ensure the air
inlet works properly.
3. Carefully lift o the water tank. Bring
the water tank to the kitchen or
bathroom sink.
4. Remove the tank lid and add water
to the water tank. Do not fill past the
“Max” line or water may overflow.
Getting Started
Figure 1.1
Figure 1.3
Figure 1.2
12 In / 30 cm
Figure 1.4
Note: Make sure the water tank is clean
before filling.
11
5. Discard the plastic packaging from
the air filter in the bottom of the
humidifier.
6. Replace the tank lid and place the
water tank back on the humidifier.
Figure 1.5 Figure 1.6
Figure 1.7
Note:
• Do not fill with hot water.
• Do not add essential oils to the humidifier.
• Do not use water treatment liquids or
third-party water filters in this humidifier.
Getting Started (cont.)
7. Plug in the power adapter and you’re
ready to begin humidifying.
12
VeSync App Setup
Note:
• Due to ongoing updates and
improvements, the VeSync app may
be slightly dierent than shown in the
manual. In case of any dierences,
follow the in-app instructions.
• Requires device to run app, Wi-Fi
®
or mobile data, and iOS version 12 or
Android version 6 (or above). Standard
data and messaging rates may apply.
Registration is required.
1. To download the VeSync app, scan
the QR code or search “VeSync” in
the Apple App Store
®
or Google Play
Store.
Note: For Android™ users, choose “Allow”
to use VeSync.
2. Open the VeSync app. If you already
have an account, tap Log In. To
create a new account, tap Sign Up.
Note: You must create your own VeSync
account to use third-party services and
products. These will not work with a
guest account. With a VeSync account,
you can also allow your family and
friends to control your smart humidifier.
3. Follow the in-app instructions to set
up your smart humidifier.
Note:
• You can use the VeSync app to
connect your smart humidifier to
Amazon Alexa or Google Assistant™.
Follow the in-app instructions
to connect VeSync to your voice
assistant.
• Your phone must have
Location turned on while
your phone is connecting to
your smart humidifier. This
is required to establish the
Bluetooth
®
connection. You can
turn Location o after your smart
humidifier is finished connecting to
the VeSync app.
WI-FI CONNECTION:
• To disconnect Wi-Fi, press and hold
for 15 seconds until the Wi-Fi
®
indicator turns o. This will restore the
smart humidifier’s default settings and
disconnect it from the VeSync app.
• To reconnect, please follow the
instructions in the VeSync app for
adding a device.
Using Your
Smart Humidifier
Note: Using the VeSync app allows you
to control your smart humidifier remotely
and access additional functions and
features (see page 15).
1. Plug in the humidifier. The indicators
on the display will light up for 1
second, then turn o.
13
Using Your Sensor
The humidity sensor pairs with your
humidifier and allows the use of
Auto Mode.
• Press once to light up the screen’s
backlight.
3. To check if the sensor connected
successfully, press the sensor’s
twice. on the humidifier will blink
twice to indicate the connection is
successful.
Figure 2.1
IF THE SENSOR IS HAVING A
PROBLEM AUTOMATICALLY
CONNECTING TO THE
HUMIDIFIER:
1. Press and hold and for 3
seconds to enter pairing mode. The
humidity sensor will blink rapidly.
2. Tap to turn your humidifier on.
The humidifier will start evaporating
water.
Note:
• This humidifier uses evaporative
technology, so the water vapor is
invisible.
• During first use, the humidifier
may take 10–25 seconds to start
evaporating water.
3. Tap repeatedly to cycle through
fan speed settings: low, high, and
Auto Mode.
Note: You must connect the sensor to
use Auto Mode (see Using Your Sensor,
page 13).
4. When your room has reached
your target humidity level, turn the
humidifier to a lower setting, or turn
it o.
5. Tap to turn your humidifier o.
6. Dry Mode will start (see page 14).
Note: The Fan Speed Indicators will
change from white to orange.
7. The humidifier will automatically turn
o once Dry Mode is complete. If you
want to turn o the humidifier without
using Dry Mode, tap again.
This product contains a button
battery. Please ensure to keep
out of reach of children.
• Press three times to switch the
temperature unit from Fahrenheit to
Celsius.
• Do not use the sensor in temperatures
above 113°F / 45°C.
CONNECTING THE SENSOR
TO THE HUMIDIFIER:
1. Turn on your humidifier.
2. Remove the insulation strip from
the battery cover. The sensor will
automatically connect to the
humidifier.
14
AUTO MODE
Auto Mode uses the humidifier’s sensor
to detect humidity and automatically
adjusts Auto Mode’s fan speed to
maintain a target humidity level. The
default target humidity for Auto Mode
is 50%.
Note:
• You must connect the sensor to the
humidifier to use Auto Mode.
• You can use the VeSync app to turn
on/o Auto Mode.
1. Tap to cycle to Auto Mode.
Note: lights up white when the
sensor is connected and the humidifier
is in Auto Mode.
2. The sensor will continuously detect
the humidity level in the room and
start and stop according to the
following table:
2. Press and hold on the sensor for
3 seconds to pair it to the humidifier.
on the humidifier will blink
twice to indicate the connection is
successful.
Phase Target Humidity Fan Speed
Phase I > 10% of current
humidity
High
Phase II ≤ 10% of current
humidity
Low
Phase III ≤ 0% of current
humidity
O
Note: The default fan speed and target
humidity can be adjusted in the VeSync
app.
Using Your Sensor (cont.)
BABY SLEEP MODE
Baby Sleep Mode changes the
humidifier’s fan speed setting to low and
turns o the display, making it ideal for
sleep.
1. Tap to turn Baby Sleep Mode on.
Note:
• When Baby Sleep Mode is on, you
can tap any button to wake up the
display. If no other button is pressed
after waking up the display, the
display will turn o again after 3
seconds.
• You can turn Baby Sleep Mode on/o
in the VeSync app.
2. To turn Baby Sleep Mode o, tap
to wake up the control panel, then
tap .
DRY MODE
Dry Mode uses low, high, and turbo fan
speeds to dry out the wick filter. This
helps extend the life of the wick filter by
preventing moisture buildup and mold.
While in Dry Mode (Fan Speed Indicators
are orange), tap repeatedly to
cycle through drying settings: low, high,
and turbo.
• Low: fan runs for 120 minutes.
• High: fan runs for 70 minutes.
• Turbo: fan runs for 55 minutes.
Note:
• Dry Mode is enabled by default. You
can disable Dry Mode in the VeSync
app.
• If enabled, the humidifier will
automatically go into Dry Mode
after humidification and before the
humidifier turns o.
15
AUTOMATIC SHUTOFF
No Water: lights up when there is
not enough water detected in the water
tank. The humidifier will continue to
operate for a period based on the fan
speed, then shut o.
Wick Frame Lifted: During humidification
and Baby Sleep Mode, will light
up when the wick frame/filter is lifted.
Humidification will stop and the
fan motor will shut o.
Wick Frame Not Detected: During
startup, if the wick frame/filter is not
detected, the humidifier will not run and
will light up.
NIGHT LIGHT
The night light can be used with or
without humidification to create a
peaceful atmosphere.
• To turn on/o, tap .
You can also turn the night light on/
o, adjust its color and brightness, and
switch from night light to breathing lamp
in the VeSync app.
VeSync App Functions
Using Your Sensor (cont.)
The VeSync app allows you to access
additional smart functions, including
those listed below.
REMOTE CONTROL FROM
YOUR PHONE
• Turn the humidifier on/o.
• Cycle through fan speed levels.
• Turn Auto Mode on/o and set target
humidity level.
• Turn Safety Lock on/o.
• Turn Baby Sleep Mode on/o.
• Turn Night Light on/o, adjust its color
temperature, brightness, and mode.
• Set timers.
• Monitor humidity levels.
• Manage filter life.
IMPORTANT TIPS
Your humidifier must have the correct
level of water in the water tank to work
properly. If there is too much water in the
tank, the humidifier cannot evaporate
water.
• Never pour water directly into the wick
frame. Only add water to the water
tank. The humidifier will automatically
release the correct amount of water
into the base.
• Do not place the humidifier on an
inclined surface.
• Avoid moving or shaking the humidifier
while in use.
• Before moving the humidifier, turn it o,
unplug it, and remove the water tank
and empty any excess water.
16
Care & Maintenance
Figure 3.2
Figure 3.4
CLEANING THE WATER TANK
If you’re using your humidifier daily, you should clean the water tank at least once a week
and when you’re ready to store it. This is to avoid mold and bacteria growth.
1. Turn o the humidifier and unplug the power adapter.
2. Remove the water tank.
3. Remove the tank cover and pour out any water from the tank.
4. Fill the water tank with 3 US cups /
710 mL of distilled white vinegar and
swish the vinegar around the tank.
Figure 3.1
Figure 3.3
5. Let the water tank soak for 15–20
minutes so the vinegar can loosen
scale (mineral buildup).
6. Pour out the vinegar. 7. Use a soft cloth or cleaning brush to
remove any scale buildup.
17
Care & Maintenance (cont.)
Figure 3.6Figure 3.5
8. Rinse the water tank until any vinegar
smell is completely gone.
9. Dry all parts with a clean cloth. Make
sure all parts are completely dry
before reassembling or storing.
Note:
• All maintenance should be done on a water-resistant surface, such as a kitchen counter.
• The water tank and wick frame are dishwasher-safe, but the water temperature should
not exceed 160°F.
• If you’re not using the humidifier for 1 week or longer, do not leave water inside. Clean and
dry the humidifier then store it.
18
6. Remove the wick filter.
7. Remove the floats on the sides of the
wick frame by pushing the tab out,
then lifting to remove.
8. Place the floats, wick cover, and wick
frame in a container. Fill the container
with a solution of 50% water and
50% vinegar. Make sure the parts are
submerged and let them soak for
15–20 minutes.
9. Discard the water-vinegar solution.
Use a soft cloth or cleaning brush to
remove scale from all parts.
10. Rinse all parts until any vinegar
smell is completely gone.
11. Place the floats back in the wick
frame and reassemble the humidifier
in reverse order.
Note:
• The wick frame and floats are
dishwasher-safe, but the water
temperature should not exceed 160°F.
• Make sure the floats are properly
installed in the wick frame or the
humidifier will not function properly.
• If you notice the floats are clogged
with scale, make sure to clean them
immediately or it may aect the
operation of your humidifier.
Figure 4.1
Figure 4.2
Figure 4.3
Care & Maintenance (cont.)
1. Turn o the humidifier and unplug the
power adapter.
2. Remove the water tank.
3. Remove the air outlet frame by
pressing the buttons on each side,
then lifting.
4. Carefully lift o the wick frame,
making sure not to spill any water.
Pour out any excess water from the
frame.
5. Detach the wick cover from the wick
frame by pushing in the tabs on both
sides, then lifting.
Note: When disassembling, remove
one side of the wick cover first, then
the other side.
Press
CLEANING THE WICK FRAME & FLOATS
We recommend descaling the wick frame once a week to prevent the formation of scale,
which can aect the operation of your humidifier. Your water quality will ultimately dictate
the cleaning frequency. For example, if you have very hard water (high in minerals), you may
need to clean the wick frame more frequently.
19
Figure 5.2
Figure 5.4
Figure 5.1
Figure 5.3
Care & Maintenance (cont.)
REPLACING THE WICK FILTER
1. Turn o the humidifier and unplug the
power adapter.
2. Remove the water tank.
3. Remove the air outlet frame by
pressing the buttons on each side
then lifting.
4. Carefully lift o the wick frame,
making sure not to spill any water.
Pour out any excess water from the
frame.
5. Detach the wick cover from the wick
frame by pushing in the tabs on both
sides, then lifting.
Note: When disassembling, remove
one side of the wick cover first, then
the other side.
6. Take out the wick filter and discard.
7. Place a new wick filter in the wick
frame and reassemble in reverse
order.
Press
We recommend changing your wick filter every 3 months, but your water quality will
ultimately dictate your wick filter’s replacement frequency. For example, if you have very
hard water (high in minerals) or excessive impurities, you may need to replace your wick filter
more frequently.
20
Figure 6.2Figure 6.1
Figure 7.1
Care & Maintenance (cont.)
REPLACING THE AIR FILTER
The air filter can last as long as 3 months depending on environmental conditions. will
light up as a reminder to check the filter. If your humidification performance is poor, you may
need to change the filter.
3. Remove the air filter and discard.
4. Place a new air filter in the air outlet
inlet frame and reassemble in reverse
order.
REPLACING THE SENSOR’S BATTERY
1. Use a coin to turn the battery cover
counterclockwise.
2. Remove the old battery.
3. Replace with a new 3V CR2477
battery. Make sure the polarities
match.
4. Replace the battery cover.
1. Turn o the humidifier.
2. Rotate the motor frame with both hands and lift to remove from the air inlet frame.
Keep out of reach
of children.
21
Care & Maintenance (cont.)
STORING
Follow the cleaning instructions and
allow all parts to dry completely before
storing. Store in a cool, dry location.
1. Use Dry Mode to dry the wick filter.
2. Turn o the humidifier and unplug
the power adapter from the outlet.
Unplug the power adapter from the
humidifier.
Troubleshooting
Problem Possible Solution
How can I tell if my
humidifier is working?
You should hear the quiet sound of the fan and feel a cool
breeze coming from the air outlet. The water vapor from the
device will not be visible.
The will be lit up white.
How do I know if I turned
o my humidifier?
All display lights stay o when you tap any button
other than .
Humidifier doesn’t turn on
or turns o unexpectedly.
Plug the humidifier into a working outlet and turn it on.
Add tap water to the water tank.
Air doesn’t seem to
be humid.
Turn the fan speed to a higher setting.
Check to see if the plastic packaging has been removed
from the air filter in the bottom of the humidifier.
Clean the humidifier (see Care & Maintenance, page 16).
Make sure the humidifier is on a level surface.
The floats on the wick frame may be clogged with scale.
Clean the floats Customer Support (see page 27).
Clean or replace the filters (see page 18). For information on
additional replacements, contact
Customer Support (see page 27).
Humidifier uses water
too quickly.
The humidifier uses up water based on the environmental
temperature and humidity. If your environment is cold and/
or dry, the humidifier will run out of water faster.
3. Remove any leftover water from the
water tank and wick frame, then dry
thoroughly.
4. Place the water tank back on the
humidifier.
5. Place the humidifier in the storage
bag.
22
Problem Possible Solution
Humidifier produces an
unusual smell.
If the humidifier is new, unplug and rinse all parts, then place in
a cool, dry place for 12 hours.
Clean the humidifier (see Care & Maintenance, page 16).
Humidifier makes a loud
or unusual noise.
Set fan speed to a lower setting.
The humidifier may be malfunctioning. Stop using the
humidifier and contact Customer Support (see page 27).
Water visibly leaks from
the humidifier.
Avoid running the humidifier in a room with over 60% relative
humidity.
Do not shake the humidifier.
Make sure to place the humidifier on a flat, level surface.
Check the water tank for leaks. If there are leaks,
contact Customer Support (see page 27).
The area around the
humidifier is damp or
wet from condensation.
Humidity may be too high. Turn down the fan speed, turn o
the humidifier, or open a door or window to the room.
Open a window to ensure proper airflow for the humidifier,
or move the humidifier to a more well-ventilated room.
Make sure the water tank is properly in place
(see Getting Started, page 10).
When replacing the water tank, wipe o excess water from
the water tank.
Mold grows inside the
humidifier.
Clean the water tank regularly
(see Care & Maintenance, page 16).
lights up.
Fill the water tank.
Make sure all parts are installed correctly
(see Replacing the Wick Filter, page 19).
Display shows an
incorrect humidity
percentage.
If the humidifier is placed within 12 inches / 30 cm of a wall or
in a corner, the sensor cannot provide a proper reading for the
relative humidity in the room.
The sensor will give an improper reading if it is exposed to dust.
Avoid using the humidifier in dusty rooms.
The humidity level isn’t
changing in my room.
Use a higher fan speed setting.
Depending on your environment, the humidifier may take
longer to humidify your air.
If your problem is not listed, please contact Customer Support (see page 27).
23
Vesync App Troubleshooting
WHY ISN’T MY HUMIDIFIER
CONNECTING TO THE
VESYNC APP?
• Make sure your phone has Bluetooth
®
turned on and is not currently
connected to another Bluetooth
®
device.
• During the setup process, you must
be on a secure 2.4GHz Wi-Fi network.
Confirm that the network is working
correctly.
• Make sure the Wi-Fi password you
entered is correct.
• Make sure your humidifier and phone
are within 30 ft / 10 m of each other.
• Reset the humidifier by pressing and
holding for 15 seconds, then try
connecting again.
MY HUMIDIFIER IS OFFLINE.
• Make sure the humidifier is plugged
in. The humidifier may appear to be
oine if it is unplugged, or if the outlet
does not have power.
• Refresh the VeSync menu by swiping
down on the screen.
• Make sure your router is connected to
the internet and your phone’s network
connection is working.
• Reset the humidifier using one of these
options:
A. Delete the humidifier from the
VeSync app. Swipe left (iOS
®
) or
press and hold (Android), then tap
Delete. Reconfigure the humidifier
with the VeSync app.
B. Press and hold for 15 seconds.
Reconfigure the humidifier with the
VeSync app.
Note: Power outages, internet outages,
or changing Wi-Fi routers may cause
your humidifier to go oine.
THE VESYNC APP IS
DISPLAYING AN INCORRECT
HUMIDITY PERCENTAGE
WHILE THE HUMIDIFIER IS
TURNED ON.
• If the sensor is placed within 12 inches
/ 30 cm of a wall or in a corner, it
cannot provide a proper reading for
the relative humidity in the room.
• The sensor will give an improper
reading if it is exposed to dust. Avoid
using the humidifier in dusty rooms.
If your problem is not listed, please
contact Customer Support
(see page 27).
24
Federal Communication Commission Interference
Statement – Part 15
This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions:
1. This device may not cause harmful interference, and
2. This device must accept any interference received, including interference that may cause undesired
operation.
NOTE: This equipment has been tested and found to comply with the limits for a Class B digital device,
pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against
harmful interference in a residential installation. This equipment generates, uses and can radiate radio
frequency energy and, if not installed and used in accordance with the instructions, may cause harmful
interference to radio communications. However, there is no guarantee that interference will not occur in a
particular installation. If this equipment does cause harmful interference to radio or television reception,
which can be determined by turning the equipment o and on, the user is encouraged to try to correct the
interference by one or more of the following measures:
• Reorient or relocate the receiving antenna.
• Increase the separation between the equipment and receiver.
• Connect the equipment into an outlet on a circuit dierent from that to which the receiver is
connected.
• Consult the dealer or an experienced radio/TV technician for help.
FCC Caution: Any changes or modifications not expressly approved by the party responsible for
compliance could void the user’s authority to operate this equipment.
FCC SDOC Supplier’s Declaration Of Conformity
FCC Radiation Exposure Statement
Arovast Corporation hereby declares that this equipment is in compliance with the FCC Part 15 Subpart
B. The declaration of conformity may be consulted in the support section of our website, accessible from
www.levoit.com
This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment. End
users must follow the specific operating instructions for satisfying RF exposure compliance. To maintain
compliance with FCC RF exposure compliance requirements, please follow operation instructions as
documented in this manual. This transmitter must not be co-located or operating in conjunction with any
other antenna or transmitter. This equipment should be installed and operated with a minimum distance of
20 cm between the radiator and your body. The availability of some specific channels and/or operational
frequency bands are country dependent and are firmware programmed at the factory to match the
intended destination. The firmware setting is not accessible by the end user.
25
Warranty Information
Levoit Limited Product Warranty
Register your products at
https://warranty.levoit.com/warranty to
stay up to date with important product
information such as product updates,
limited warranties, usage and maintenance
recommendations, and notifications
concerning safety warnings or product
recalls. Registration is not required to claim
your limited warranty.
Two (2) Year Limited Consumer Product
Warranty
Arovast Corporation (“Arovast”) warrants
that the product shall be free from defects
in material and workmanship for a period of
2 years from the date of original purchase
(“Limited Warranty Period”), provided the
product was used in accordance with its use
and care instructions (e.g., in the intended
environment and under normal circumstances).
Your Limited Warranty Benefits
During the Limited Warranty Period and
subject to this limited Warranty Policy, Arovast
will, in its sole and exclusive discretion, either (i)
refund the purchase price if the purchase was
made directly from the online Levoit store, (ii)
repair any defects in material or workmanship,
(iii) replace the product with another product
of equal or greater value, or (iv) provide store
credit in the amount of the purchase price.
Who Is Covered?
This limited warranty extends only to the
original consumer purchaser of the product
and is not transferable to any subsequent
owner of the product, regardless of whether
Product Levoit Sprout
Evaporative
Humidifier & Sensor
Model LEH-B381S-WNA
LSR-B0201EH-WNA
For your own reference, we strongly
recommend that you record your order ID
and date of purchase.
Date of Purchase
Order ID
the product transferred ownership during the
specified term of the limited warranty. The
original consumer purchaser must provide
verification of the defect or malfunction and
proof of the date of purchase to claim the
Limited Warranty Benefits.
Be Aware of Unauthorized Dealers or Sellers
This limited warranty does not extend to
products purchased from unauthorized
dealers or sellers. Arovast’s limited warranty
only extends to products purchased from
authorized dealers or sellers that are subject
to Arovast’s quality controls and have agreed
to follow its quality controls. Please be aware,
products purchased from an unauthorized
website or dealer may be counterfeit, used,
defective, or may not be designed for use in
your country. You can protect yourself and your
products by making sure you only purchase
from Arovast or its authorized dealers.
If you have any questions about a specific
seller, or if you think you may have purchased
your product from an unauthorized seller,
please contact our Customer Support Team
via support@levoit.com.
What’s Not Covered?
• Normal wear and tear, including parts that
might wear out over time (e.g., batteries,
filters, cleaning brush, essential oil pads,
etc.).
• If the proof-of-purchase has been altered
in any way or is made illegible.
• If the model number, serial number or
production date code on the product has
been altered, removed or made illegible.
• If the product has been modified from its
original condition.
• If the product has not been used in
accordance with directions and instructions
in the user manual.
• Damages caused by connecting
peripherals, additional equipment or
accessories other than those recommended
in the user manual.
• Damages or defects caused by accident,
abuse, misuse, or improper or inadequate
maintenance.
• Damages or defects caused by service
or repair of the product performed by an
26
unauthorized service provider or by anyone
other than Arovast.
• Damages or defects occurring during
commercial use, rental use, or any use for
which the product is not intended.
• If the unit has been damaged, including but
not limited to damage by animals, lightning,
abnormal voltage, fire, natural disaster,
transportation, dishwasher, or water (unless
the user manual expressly states that the
product is dishwasher-safe).
• Incidental and consequential damages.
• Damages or defects exceeding the cost of
the product.
Claiming Your Limited Warranty Service in 5
Simple Steps:
1. Make sure your product is within the
specified limited warranty period.
2. Make sure you have a copy of the invoice
and order ID or proof-of-purchase.
3. Make sure you have your product. DO NOT
dispose of your product before contacting
us.
4. Contact our Customer Support Team via
support@levoit.com
5. Once our Customer Support Team has
approved your request, please return the
product with a copy of the invoice and
order ID.
Sole and Exclusive Remedy
THE FOREGOING LIMITED WARRANTY
CONSTITUTES AROVAST CORPORATION’S
EXCLUSIVE LIABILITY, AND YOUR SOLE AND
EXCLUSIVE REMEDY, FOR ANY BREACH OF ANY
WARRANTY OR OTHER NONCONFORMITY
OF THE PRODUCT COVERED BY THIS LIMITED
PRODUCT WARRANTY STATEMENT. THIS
LIMITED WARRANTY IS EXCLUSIVE, AND
IN LIEU OF ALL OTHER WARRANTIES. NO
EMPLOYEE OF AROVAST CORPORATION
OR ANY OTHER PARTY IS AUTHORIZED TO
MAKE ANY WARRANTY IN ADDITION TO THE
LIMITED WARRANTY IN THIS LIMITED PRODUCT
WARRANTY STATEMENT.
Disclaimer of Limited Warranties
TO THE FULLEST EXTENT PROVIDED BY
APPLICABLE LAW, EXCEPT AS WARRANTED IN
THIS LIMITED PRODUCT WARRANTY POLICY,
AROVAST CORPORATION PROVIDES THE
PRODUCTS YOU PURCHASE FROM AROVAST
CORPORATION “AS IS” AND AROVAST
CORPORATION HEREBY DISCLAIMS ALL
WARRANTIES OF ANY KIND, WHETHER EXPRESS
OR IMPLIED, STATUTORY, OR OTHERWISE,
INCLUDING BUT NOT LIMITED TO ANY
WARRANTIES OF MERCHANTABILITY, NON-
INFRINGEMENT, AND FITNESS FOR PARTICULAR
PURPOSE.
Limitations of Liability
TO THE FULLEST EXTENT PROVIDED BY
APPLICABLE LAW, IN NO EVENT WILL AROVAST
CORPORATION, ITS AFFILIATES, OR THEIR
LICENSORS, SERVICE PROVIDERS, EMPLOYEES,
AGENTS, OFFICERS, OR DIRECTORS BE LIABLE
FOR:
(a) DAMAGES OF ANY KIND ARISING OUT
OF OR IN CONNECTION WITH PRODUCTS
PURCHASED FROM AROVAST CORPORATION
IN EXCESS OF THE PURCHASE PRICE PAID BY
THE PURCHASER FOR SUCH PRODUCTS, OR
(b) INDIRECT, SPECIAL, INCIDENTAL,
CONSEQUENTIAL, OR PUNITIVE DAMAGES
EVEN IF AROVAST CORPORATION OR ONE
OF ITS SUPPLIERS HAS BEEN ADVISED OF
THE POSSIBILITY OR LIKELIHOOD OF SUCH
DAMAGES.
AND REGARDLESS OF WHETHER CAUSED BY
TORT (INCLUDING NEGLIGENCE), BREACH OF
CONTRACT, OR OTHERWISE. OUR LIABILITY
SHALL UNDER NO CIRCUMSTANCES EXCEED
THE ACTUAL AMOUNT PAID BY YOU FOR THE
DEFECTIVE PRODUCT, NOR SHALL WE UNDER
ANY CIRCUMSTANCES BE LIABLE FOR ANY
CONSEQUENTIAL, INCIDENTAL, SPECIAL OR
PUNITIVE DAMAGES OR LOSSES, WHETHER
DIRECT OR INDIRECT.
EXCEPT AS COVERED BY THIS LIMITED
PRODUCT WARRANTY STATEMENT, AROVAST
CORPORATION SHALL NOT BE LIABLE FOR
COSTS ASSOCIATED WITH THE REPLACEMENT
OR REPAIR OF PRODUCTS PURCHASED FROM
IT, INCLUDING, BUT NOT LIMITED TO, LABOR,
INSTALLATION, OR OTHER COSTS INCURRED
27
BY THE USER AND, IN PARTICULAR, ANY COSTS
RELATING TO THE REMOVAL OR REPLACEMENT
OF ANY PRODUCT.
OTHER RIGHTS YOU MAY HAVE
SOME JURISDICTIONS DO NOT ALLOW FOR:
(1) EXCLUSION OF IMPLIED WARRANTIES;
(2) LIMITATION ON THE DURATION OF
IMPLIED WARRANTIES; AND/OR (3)
EXCLUSION OR LIMITATION OF INCIDENTAL
OR CONSEQUENTIAL DAMAGES; SO THE
DISCLAIMERS IN THIS POLICY MAY NOT APPLY
TO YOU. IN THESE JURISDICTIONS YOU HAVE
ONLY THE IMPLIED WARRANTIES THAT ARE
EXPRESSLY REQUIRED TO BE PROVIDED IN
ACCORDANCE WITH APPLICABLE LAW. THE
LIMITATIONS OF WARRANTIES, LIABILITY, AND
REMEDIES APPLY TO THE MAXIMUM EXTENT
PERMITTED BY LAW.
ALTHOUGH THIS LIMITED WARRANTY GIVES
YOU SPECIFIC LEGAL RIGHTS, YOU MAY
HAVE OTHER RIGHTS IN YOUR JURISDICTION.
THIS STATEMENT OF LIMITED WARRANTY
IS SUBJECT TO APPLICABLE LAWS THAT
APPLY TO YOU AND THE PRODUCT. PLEASE
REVIEW THE LAWS IN YOUR JURISDICTION TO
UNDERSTAND YOUR RIGHTS FULLY.
CHANGES TO THIS POLICY
We may change the terms and availability of
this limited warranty at our discretion, but any
changes will not be retroactive.
This warranty is made by:
AROVAST CORPORATION
1775 Flight Way, Suite 150
Tustin, CA 92782
USA
Warranty Information (cont.)
Attributions
Amazon, Alexa, and all related logos are
trademarks of Amazon.com, Inc. or its aliates.
Google, Android, and Google Play are
trademarks of Google LLC.
App Store
®
is a trademark of Apple Inc.
Wi-Fi
®
is a registered trademark of Wi-Fi
®
Alliance
®
.
iOS is a registered trademark of Cisco
Systems, Inc. and/or its aliates in the United
States and certain other countries.
Customer Support
If you have any questions or concerns
about your new product, please contact
our helpful Customer Support Team.
Mon–Fri, 9:00 am–5:00 pm PST/PDT
Please have your order invoice and
order ID ready before contacting
Customer Support.
Arovast Corporation
1775 Flight Way, Suite 150
Tustin, CA 92782
USA
Email: support@levoit.com
Toll-Free: 1-888-726-8520
SUPPORT HOURS
Notes
Notes
Notes
Notes
MF08262024TFLPDV_2311_P350
