Levoit OasisMist 1000S - Smart Ultrasonic Tower Humidifier Manual

Package Contents

1 × Smart Ultrasonic Tower Humidifier
3 × Aroma Pad (1 Pre-Installed)
2 × Cleaning Brush
1 × Screwdriver
4 × Screw
1 × Stand
1 × Cable Winder
1 × Remote Control
1 × Quick Start Guide
1 × User Manual

Specifications

Note: To access additional smart humidifier functions, download the free VeSync app.

General Safety

• Only use the humidifier as described in this manual.
• Place the humidifier and cord so that it will not be knocked over. Do not place near large pieces of furniture or in high-traffic areas.
• When not in use, turn the humidifier off and disconnect from power by removing the plug from the outlet.
• Do not use the humidifier in wet environments.
• Keep the humidifier out of reach from children.
• Do not open the base or remove the water level sensor for self-servicing.
• Always unplug your humidifier from the power outlet before cleaning your humidifier or detaching the humidifier base from the water tank.
• Always make sure to place the humidifier on a flat, level surface before operation.
• Only fill the water tank with clean water. Never fill the water tank with any other liquids.
• Do not place the humidifier near sources of heat, such as stovetops, ovens, or radiators.
• Do not use other items as replacement parts for this product.
• Do not cover the nozzle while the humidifier is on. Doing so may damage the humidifier.
• Do not immerse the humidifier base, power cord, or plug in water.
• If the humidifier is damaged or is not functioning properly, stop using it and contact Customer Support immediately.
• This humidifier is not to be used by persons (including children) with reduced physical, sensory, or mental capabilities, or lack of experience and knowledge, unless they have been given supervision or instruction concerning use of the appliance by a person responsible for their safety.
• Supervise children when they are near the humidifier.
• Children should not clean or perform maintenance on the humidifier without supervision.
• Children should be supervised to ensure that they do not play with the humidifier.
• Not for commercial use. Household use only.

Power & Cord

• Ensure that the plug fits properly into a polarized socket.
• Your humidifier 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.
• Do not handle the power cord or plug with wet hands. Keep the plug and power cord away from liquids.
• If the power supply cord 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.
• Unplugging the power cord will disable remote control of the humidifier and temporarily disconnect the humidifier from VeSync and other third-party apps.

Electromagnetic Fields (EMF)

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.

Risk of Leaks and Electric Shock

• Only add essential oils to the aroma pad.
• Do not add essential oils, supplemental water treatment liquids, or water filters into the water inlet tank, base chamber, or water tank.

This product contains a coin/button battery.

CHEMICAL BURN HAZARD.
KEEP OUT OF REACH OF CHILDREN.

Swallowing can lead to chemical burns, perforation of soft tissue, and death. Severe burns can occur within 2 hours of ingestion. Seek medical attention immediately.

• Place sticky tape around both sides of the battery and dispose of it immediately in an outdoor trashcan or recycle 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.

GETTING TO KNOW YOUR SMART HUMIDIFIER

1. Top Cover
2. Nozzle
3. Muffler
4. Mist Tube
5. Water Inlet Tank
6. Base Chamber
7. Control Panel
8. LED Display
9. Humidifier Base
10. Aroma Pad
11. Aroma Box / Air Inlet
12. Handles
13. Water Tank
14. Water Level Window
15. Power Cord
16. Cable Winder (Behind)
17. Stand

Inside Water Tank

18. Silicone Tube
19. Filter

Inside Base Chamber

20. Overflow Valve
21. Water Inlet
22. Air Outlet
23. Pump Cover
24. Water Level Sensor
25. Transducer

Mist Level Indicators

CONTROLS

Note: You can also use the VeSync app to control these functions, as well as additional app-only features.

	On/Off Button Tap to turn the humidifier on/ off. Note: During first use, the humidifier may take 10–25 seconds to start misting. 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.
	Mist Level Button Tap repeatedly to cycle through mist level settings: low, medium, and high mist. Press and hold for 3 seconds to turn the display off. Tap any button (except ) to turn the display back on.
	Auto Mode Button Tap to turn Auto Mode on. Tap / to turn Auto Mode off and resume manual controls, or tap for Sleep Mode.
	Sleep Mode Button Tap to turn Sleep Mode on/off.
	Wi-Fi Indicator Turns on, off, or blinks to indicate pairing status. See the VeSync in-app instructions for more information.
	No Water Indicator Blinks when there is no water in the tank. After this indicator blinks 10 times, the humidifier will turn off. Refill the tank to resume using your humidifier. Lights up when the humidifier base is removed. Remains on until the humidifier base is replaced.

REMOTE CONTROL

The remote control can be used to control any of the humidifier's functions from a distance. The remote must be within 16 ft / 5 m of the humidifier to work.

Note:

• Remove the plastic tab from the remote control's battery compartment before using.
• To replace the battery see instruction.

Display Off Button

• Press to turn the humidifier display off.
• Press any button to turn the display back on.

Humidity Level Button

• Press to set a target humidity level from 40–80% that's used with Auto Mode.
• Continue pressing to cycle through target humidity options in increments of 10%.

Timer Button

• Press to cycle through timer options from 1–12 hours.
• Press and hold to quickly cycle through options in increments of 1 hour.
  

GETTING STARTED

1. Remove all packaging.
2. Flip the water tank over. Use the screwdriver to attach the stand to the water tank with the 4 included screws. [Figure 1.1]
   
   Note: Do not overtighten the screws.
3. Take out the filter from inside the water tank. Remove the foam around the filter.
4. Place the humidifier base on the water tank.
5. Optionally, peel off the sticker cover on the cable winder and attach the cable winder to the back of the humidifier base.
6. Choose a hard, flat location for the humidifier at least 12 inches / 30 cm away from any walls. The surface must be waterresistant. [Figure 1.2]
   
   Note: Placing the humidifier away from walls ensures that the humidity sensor and air inlets function properly.
7. Mist should be directed away from walls, furniture, bedding, and appliances. [Figure 1.3]. Avoid letting too much mist fall on the side of the humidifier with the aroma box, as this may interfere with the sensor inside the aroma box.
   

Filling & Refilling

Note: Make sure the water tank is clean before filling.

1. Remove the top cover. [Figure 1.4]
   
2. Use a pitcher or bottle to fill the water inlet tank with room-temperature water. You can also add water directly to the water tank. [Figure 1.5]

Note:

• We recommend using purified or distilled water to fill the tank.
• Do not fill with hot water.
• Using tap water may result in a white dust (dried minerals) on surfaces.

• Do not remove the water inlet tank during filling.
• Only add water into the water inlet tank or water tank. Do not add water directly into the base chamber or mist tube.
• Do not add essential oils into the humidifier. Only add essential oils to the aroma pad. [ Figure 1.7 ]
  
• Do not use water treatment liquids or third-party water filters in this humidifier.

3. Use the water level window to see how much of the tank is filled. Do not fill past the max line or water may overflow out of the vents in the handles.
4. Replace the top cover. [Figure 1.6]
   

VESYNC APP SETUP

Note: Due to ongoing updates and improvements, the VeSync app may be slightly different than shown in the manual. In case of any differences, follow the in-app instructions.

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 off 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 off. 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.

1. Plug in the humidifier. The indicators on the display will light up for 1 second, then turn off.
2. Tap to turn your humidifier on. The humidifier will start misting.
   Note:
   • During first use, the humidifier may take 10–25 seconds to start misting.
   • If there is no water in the tank, will flash 10 times, and the humidifier will turn off. Fill the water tank (see Getting Started).
3. Tap repeatedly to cycle through mist settings: Low, Medium, and High. [Figure 2.1]
   
4. Rotate the nozzle to adjust the direction of the mist. [Figure 2.2]
   
   Note:
   • Direct the nozzle away from any furniture, walls, or other objects to prevent them from getting wet.
   • Do not inhale the mist directly from the nozzle.
5. Optionally, use the controls or the VeSync app to turn on Auto Mode, activate Sleep Mode, and more (see Controls).
6. When your room has reached your preferred humidity level, turn the humidifier to a lower setting, or turn it off. A comfortable humidity level is between 40–60%.
   Note: You can also set the humidifier to automatically stop misting when the room reaches a specific humidity level (see Auto Mode).
7. Tap to turn your humidifier off.

Auto Mode

Auto Mode uses the humidifier's sensor to automatically adjust the mist level to maintain a target humidity level. The default target humidity level is 60%.

1. Tap to turn Auto Mode on.
   Note: The humidifier will automatically mist for 15 seconds after being turned on, even if the room has reached the target humidity level.
2. By default, Auto Mode uses Automatic Stop. The humidifier will stop misting when the highest target humidity level is reached (default 60%).
   Note:
   • In the VeSync app, you can turn Automatic Stop on/off.
   • If Automatic Stop is off, the humidifier will keep running on low mist level when the highest target humidity level is reached.
3. The humidifier will continue detecting the humidity level in the room. It will start and stop misting again according to the following table:

*If you change the target humidity from 60%, the humidity percentages will change accordingly.

Setting Target Humidity

You can set a target humidity level from 40–80%, in increments of 10%. There are several ways to change the target humidity:

• Change the target humidity in the VeSync app.
• Press on the remote control. Continue pressing to cycle through target humidity options.
• Press and hold on the control panel until the display flashes and shows the target humidity. Continue tapping to cycle through target humidity options.

Sleep Mode

Sleep Mode changes the humidifier's mist setting to low and turns off the display lights.

• Tap to turn Sleep Mode on/off.
• When Sleep Mode is on, you can tap any button to wake up the display. If you stop touching the display, the display will turn off again after 6 seconds.
• Once you wake up the display, tap any button again to exit Sleep Mode and resume manual controls.

Turning Off the Display

The display will automatically dim after 3 seconds of inactivity.

• To turn off the display, press and hold for 3 seconds, or press on the remote control.
• To turn the display back on, tap any button.

Using the Aroma Box

Your humidifier can be used for aromatherapy.

1. Push the aroma box at the back of the base and pull it out. [Figure 3.1]
   
2. Put 8–10 drops of essential oils on the aroma pad. [Figure 3.2]
   
3. Insert the aroma box back into the humidifier.
4. Turn on the humidifier. The humidifier will automatically diffuse aroma when used.

Note: Do not add essential oils, water treatment liquids, or third-party water filters into the water inlet tank, base chamber, or water tank. Only add essential oils to the aroma pad. [Figure 3.3]

• The aroma pads can be cleaned and reused after diffusing essential oils (see Cleaning the Aroma Pad).
• The aroma is intended to be light.
• For information on replacement aroma pads, see instruction.

Memory Function

• If turned off and unplugged, the humidifier will remember your settings for Sleep Mode, Mist Level, and Wi-Fi, and will resume those settings when turned back on.
• If turned off and plugged in, the humidifier will remember your settings for Auto Mode, Sleep Mode, Mist Level, and Wi-Fi, and will resume those settings when turned back on.

Automatic Shutoff

The humidifier will automatically turn off when all of the water in the tank has been diffused. will show on the display and blink 10 times before the humidifier turns off. Fill the water tank (see Getting Started).

If the humidifier base has been removed from the water tank, the humidifier will automatically stop misting. will show on the display and will turn off once the base is placed properly back on the water tank.

VeSync App Functions

The VeSync app allows you to access additional smart functions, including those listed below.

Remote Control From Your Phone

• Turn the humidifier on/off.
• Cycle through mist levels.
• Turn Auto Mode on/off.
• Set a target humidity level.
• Turn Sleep Mode on/off.
• Turn the display lights on/off.

Monitor Humidity Levels

• Check current humidity levels in the humidifier's environment.

Set Timers & Schedules

• Program individual timers or create a schedule for your smart humidifier.
• Before moving the humidifier, turn it

Third-Party Voice Control

• Compatible with Amazon Alexa and Google Assistant™ for voice commands.

Note: The VeSync app is continually updated and app features will expand.

Important Tips

Your humidifier must have the correct level of water in the base chamber to work properly. If there is too much water in the base chamber, the humidifier cannot create mist.

• Do not place the humidifier on an inclined surface.
• Do not add water directly into the base chamber or mist tube. Only add water to the water inlet tank or directly into the water tank. The humidifier will automatically deliver the correct amount of water into the base chamber.
• Do not remove the water inlet tank during filling.
• Avoid moving or shaking the humidifier. [ Figure 4.1 ] This may cause the water tank pump to deliver too much water into the base chamber or reduce the amount of water in the base chamber.
  
• Before moving the humidifier, turn it off and unplug it.

CARE & MAINTENANCE

Note:

• All maintenance should be done on a waterresistant surface.
• Change the water daily to avoid bacteria growth.
• Use a tissue or cloth to clean the nozzle regularly.
• If not using the humidifier for 1 week or longer, do not leave water inside. Clean and dry the humidifier instead.

Cleaning

You should clean your humidifier water inlet tank, base chamber, and water tank every 3 days, and when you're ready to store it.

Note:

• Never immerse the base in water or liquid. Do not place any part of the humidifier in a dishwasher.
• Do not use detergents to clean the humidifier.

1. Unplug the humidifier.
2. Remove and rinse the water tank cover. [Figure 5.1]
   
3. Remove the water inlet tank from the humidifier base. [Figure 5.2]
   
4. Pull the mist tube from the narrow end to remove it. [Figure 5.3]
   
5. Flip the water inlet tank over and remove the muffler. [Figure 5.4]
   
6. Rinse the water inlet tank, mist tube, and muffler.
7. Remove the humidifier base and pour out any water. Pour from the corner of the base chamber to prevent water from damaging the humidifier. [Figure 5.5]
   
8. Use a small brush to clean the base chamber. Rinse with room-temperature water.
   Note: Do not allow water to contact the air outlet, aroma box, or underside of the humidifier base.
9. Pour out any water in the water tank. Use a brush to clean the inside of the tank, then rinse with room-temperature water. [Figure 5.6]
   
10. Pull to remove the filter from the silicone tube. Wash the filter with water and a soft cloth. [Figure 5.7]
    
    Note: Do not remove the silicone tube from the water tank.
11. Dry all parts with a cloth. Make sure all parts are completely dry before reassembling or storing.

Descaling Your Humidifier

To descale the humidifier (remove mineral buildup):

1. Remove the humidifier base from the water tank.
2. Fill the water tank with 6 US cups / 1,420 mL of distilled white vinegar. [Figure 6.1]
   
3. Fill the base chamber with 1 US cup / 240 mL of distilled white vinegar [Figure 6.2]
   
4. Carefully swish the vinegar around the tank and base chamber. Do not allow liquid to contact the air outlet. [Figure 6.3]
   
5. Allow the parts to soak for 15–20 minutes. Vinegar will loosen scale (mineral buildup) in the tank and base chamber. [Figure 6.4]
   
6. Pour out the vinegar. [Figure 6.5]
   
7. Use a soft cloth and cleaning brush to remove scale from all parts. [Figure 6.6]
   
8. Pull to remove the filter from the silicone tube. Place the filter in a container and fill with enough vinegar to cover the filter. Soak for 1 hour. [Figure 6.7]
   
9. Rinse all parts until any vinegar smell is completely gone. [Figure 6.8]
   

Cleaning the Aroma Pad

1. Pull out the aroma box and remove the aroma pad. [ Figure 7.1 ]
   
2. Rinse the pad under warm, running water. [ Figure 7.2 ]
   
3. Dry the pad with a clean cloth.
4. Place the aroma pad back into the aroma box. [ Figure 7.3 ]
   
   Note: Do not use liquid cleaners or detergents to clean the pad or any other part of the humidifier.

Reassembling

1. Push the filter back onto the silicone tube. Place the filter in the water tank. [Figure 8.1]
   
2. Replace the mist tube on the water inlet tank. [Figure 8.2]
   
3. Flip the water inlet tank over and replace the muffler. [Figure 8.3]
   
4. Place the water inlet tank in the humidifier base and replace the top cover.
5. Place the humidifier base properly on the water tank.
6. Refill the tank, if necessary.

Replacing the Remote Control Battery

1. Remove the battery compartment by pinching the tab in and pulling the compartment out. [Figure 9.1]
   
2. Remove the old battery
3. Replace with a new 3V CR2025 battery. Make sure the polarities match.
4. Replace the battery compartment.

Storing

1. Follow the cleaning instructions and allow all parts to dry completely before storing.
2. Wrap the power cord around the cable winder.
3. Store in a cool, dry location.

TROUBLESHOOTING

Problem	Possible Solution
Humidifier doesn't turn on, or turns off unexpectedly.	Plug the humidifier into a working outlet and turn it on.
	Add purified or distilled water to the water tank.
Little or no mist comes out.	Turn the mist level to a higher setting.
	Fill the water tank.
	Wait 30 seconds after turning the humidifier on. During first use, and after cleaning or storage, the humidifier may take 10–25 seconds to start misting.
	Make sure the air inlets on the bottom of the humidifier base and in the aroma box are not blocked.
	Clean the humidifier (see Care & Maintenance). Make sure the nozzles are not blocked or clogged.
	Make sure the humidifier is on a flat, level surface.
	If the water tank or humidifier base was washed with detergent, rinse thoroughly with clean water to remove any detergent. Do not use detergents to clean the humidifier.
	Clean or replace the pump cover. For information on replacements, contact Customer Support.
	In Auto Mode, the humidifier will stop misting when the target humidity level is reached. Increase the target humidity or manually select a mist level (see Auto Mode).
	Make sure the humidifier base is properly placed on the water tank.
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.
	If the humidifier is new, unplug and rinse all parts, then place in a cool, dry place for 12 hours.
Humidifier produces an unusual smell.	If essential oils were placed on the aroma pad, rinse the pad under clean water and allow it to dry.
	Clean the humidifier (see Care & Maintenance).
Humidifier makes a loud or unusual noise.	Make sure the water tank is properly in place (see Getting Started).
	Set mist level to a lower setting.
	Empty the base chamber. Place the humidifier base properly on the water tank, then refill the tank.
	The water pump makes sound when it is refilling the base chamber. This is normal.
	The humidifier may be malfunctioning. Stop using the humidifier and contact Customer Support.
Mist leaks from the base.	Make sure the water tank is properly in place (see Getting Started).
White dust appears around the humidifier.	We recommend using purified or distilled water to fill the humidifier. Avoid using water with high mineral content, such as tap water.
	Clean the humidifier (see Care & Maintenance).
	Avoid running the humidifier in a room with over 60% relative humidity.
	Wipe any excess water off the top and bottom of the base.
Water visibly leaks from the humidifier.	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.
	Humidity may be too high. Turn down the mist level, turn off the humidifier, or open a door or window to the room.
The area around the humidifier is damp or wet from condensation.	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).
	When filling the water tank, wipe off excess water from the water tank and humidifier base.
Mold grows inside the humidifier.	Clean the water tank and base chamber regularly (see Care & Maintenance).
lights up red.	Fill the water tank.
	Place the humidifier base properly on the water tank.
Essential oil has little or no smell.	Add more essential oil. For best results, use pure essential oil.
	The room may be larger than the humidifier's effective range. Move to a room smaller than 300–600 ft² / 27–55 m².
Display shows an incorrect humidity percentage.	Moisture may have built up inside the humidity sensor. Make sure the nozzle is facing away from the aroma box so that mist does not settle on the sensor inside the aroma box (see diagram in Getting To Know Your Smart Humidifier). Turn off the humidifier, remove the aroma box, and allow the sensor to air dry.
	If the humidifier is placed within 12 inches / 30 cm of a wall or in a corner, the humidity sensor cannot provide a proper reading for the relative humidity in the room.
	The humidity sensor will give an improper reading if it is exposed to dust. Avoid using the humidifier in dusty rooms. Avoid using tap water in the humidifier as this can increase dust in the air.
	Use a higher mist level setting.
The humidity level isn't changing in my room.	Depending on your environment, the humidifier may take longer to humidify your air.
	The room may be larger than the humidifier's effective range. If the room is larger than 300–600 ft² / 27–55 m², the humidifier will not be as effective.
Display shows Error Code "E1", "E2", "E7".	The humidifier is malfunctioning. Contact Customer Support.

If your problem is not listed, please contact Customer Support.

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 offline 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:
  1. Delete the humidifier from the VeSync app. Swipe left (iOS®) or press and hold (Android), then tap Delete. Then reconfigure your humidifier with the VeSync app.
  2. Press and hold for 15 seconds. Then reconfigure your humidifier with the VeSync app.

Note: Power outages, internet outages, or changing Wi-Fi routers may cause your humidifier to go offline.

The VeSync app is displaying an incorrect humidity percentage while the humidifier is turned on.

• The room may be larger than the humidifier's effective range. Move to a room smaller than 300–600 ft² / 27–55 m².
• Moisture may have built up inside the humidity sensor. Make sure the nozzles are facing away from the aroma box so that mist does not settle on the sensor inside the aroma box (see diagram in Getting To Know Your Smart Humidifier). Turn off the humidifier, remove the aroma box, and allow the sensor to air dry.
• If the humidifier is placed within 12 inches / 30 cm of a wall or in a corner, the humidity sensor cannot provide a proper reading for the relative humidity in the room.
• The humidity 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.