To reset a Levoit humidifier, turn off the device and unplug it. To resolve smart control issues, press and hold the POWER button (WIFI button for Classic 200S) for 15 seconds to disconnect the unit from the VeSync app. To reset the humidifier offline, remove it from the app by swiping left (IOS) or clicking and holding the unit’s name (Android).
Research shows indoor relative humidity should be ideally kept between 40 and 60%. Levoit Humidifiers are great at maintaining humidity levels, but they need to be reset if they are malfunctioning or the smart control is not working.
This article will take you through a detailed step-by-step guide on resetting different Levoit humidifiers, the location of reset buttons, types of Levoit humidifiers, and some frequently asked questions about Levoit humidifiers.
Types of Levoit Humidifiers
This article provides a detailed guide for these different types of Levoit humidifiers:
- Classic 100 Levoit Humidifier
- Classic 150 Levoit Humidifier
- Classic 200 Levoit Humidifier
- Classic 200S Levoit Humidifier
- Classic 300S Levoit Humidifier
- Dual 100 Levoit Humidifier
- Dual 200S Levoit Humidifier
- LV600HH Levoit Humidifier
- LV600S Levoit Humidifier
If you are looking for information on how to reset a Levoit air purifier, Plentiful Air has a complete guide available here.
How To Reset a Levoit Humidifier
A Levoit humidifier should be reset if they are not working properly, including if:
- The humidifier is not turning on
- Buttons are not working
Follow these steps to reset your Levoit humidifier:
- Turn off the humidifier and unplug it.
- Check the water level in the water tank. If the water tank is empty, refill it by adding distilled or purified water.
- Confirm the power adapter is correctly connected at the humidifier base.
- Plug in the unit and turn it on by pressing the POWER button. Ensure that the power outlet is working well.
- Check to see if the humidifier is set to Auto Mode. The humidifier will automatically turn off if the humidity levels are more than the target level.
- A manual mist setting may also be selected to reset the water sensor;
- Your Levoit humidifier is all set and ready for regular operation.
How To Fix Smart Control Problems
Some Levoit Humidifiers have intelligent control functions based on the VeSync app. This app provides access to smart functions such as:
- Remote control (mode selection, light and mist control),
- Monitor humidity levels
- Schedule and set timers
- Third-party voice control (compatible with Google Assistant and Amazon’s Alexa)
If you can’t connect the humidifier unit with the VeSync app, or it appears offline, you will have to reset it.
How To Reset your Humidifier if it is Not Connecting to VeSync
- Turn your phone’s location ON and bring it close to the humidifier unit(10m).
- Turn on Bluetooth® on your phone and disconnect it from any other device.
- Reset the humidifier by pressing and holding the POWER button(WIFI button for Classic 200S) for 15 seconds.
- This will disconnect the humidifier from the VeSync app restoring default settings.
- Once the reset is complete, try connecting the VeSync app again with the humidifier.
How To Reset your Humidifier if it is Offline
There are two ways to reset an offline humidifier.
- Open the VeSync app on your phone. Remove your listed humidifier from the app. To do this, swipe left on IOS or click and hold and select OK on Android. Complete the reset by adding your Levoit humidifier to your VeSync app again.
- Click and hold the POWER button(WIFI button for Classic 200S) for 15 seconds. This will disconnect your humidifier from the VeSync app, and it will return to its default settings. Configure your humidifier with the VeSync app again.
How to Reset the Filter Light on a Levoit humidifier
Some Levoit humidifiers (such as the Dual 200 and LV600S) come with a water filter. The ‘No water indicator light’ left of the WIFI indicator (at the bottom right corner of LED display in LV600S) turns red if the filter is not clean or needs replacement.
Remove and clean the water filter (or replace it with a new one), upon reinsertion of the filter the red filter light will automatically turn off.
Reset Button Locations on Levoit Humidifiers
Here are the reset buttons for the different Levoit humidifiers. All of these buttons lie on the base of humidifiers.
| Model(s) | Reset Button |
| Classic 100 | POWER button at the center of the dial on the upper side |
| Classic 150 | POWER button on top besides transducer |
| Classic 200 | POWER button on the base |
| Classic 200S | WIFI button above POWER control button POWER button located below the WIFI button |
| Classic 300S | POWER button, the first button from bottom right to LED display |
| Dual 100 | POWER button just below the mist level indicators |
| Dual 200S | POWER control button on right side of LED display |
| LV600HH | POWER button, the first button left to digital display |
| LV600S | POWER button on the top left to the LED display |
What the Red Light means on your Levoit Humidifier
The red light on Levoit humidifiers indicates either the water tank is empty, the water tank is not seated properly in the unit, or the water filter needs to be cleaned or replaced.
To solve the water tank problems, remove the water tank and fill it with purified or distilled water. Reinstall the water tank correctly on the humidifier base, ensuring a good seal.
To clean and descale the water filter ,
- Remove the filter assembly and place into a container
- Fill container with enough vinegar to cover the filter assembly
- Soak for 15-20 minutes
- Use a soft cloth to wipe any deposits away
- Rinse the filter assembly thoroughly, ensuring no vinegar smell remains
- Dry all areas using a cloth
- Reinstall filter assembly
What the Blue Light means on your Levoit Humidifier
The blue light on the control button of the Classic 200 Levoit humidifier means that a high mist setting (low mist setting in the Classic 100) is selected. While in LV600S humidifier models, a blue light indicates low to high mist settings. The blue LED light in a Classic 150-RWH is the 6th cycle order light, and does not indicate an error or function
How to turn off the light on a Levoit Humidifier
Here’s how you can turn off display lights on different Levoit humidifiers.
Classic 150
LED lights will be off by default in this model. n
Classic 200
Press and hold the power button to turn off the button light.
Classic 200S
Tap the WIFI button to turn off the indicator lights. Next, go to the VeSync app on your phone and locate the display lights on/off button. Then, just press it and turn off the indicator lights.
Classic 300S
Press the night light button repeatedly and set the display lights off, 5% or 100%. Click and hold the NIGHT LIGHT button for 3 seconds—this will turn off all the display lights.
You can also use VeSync to turn off/on the display lights.
DUAL 100
Press the SLEEP Mode button(above mist level indicators). Wait for 5 seconds, and all display lights will turn off.
Dual 200S
Turn the display lights off from your phone using the VeSyc app. You can also turn off the humidifier display by pressing and holding the MIST control button(left to LED display) for 3 seconds.
LV600HH
Display automatically turns off after 10s of inactivity. To turn off the display manually, press and hold the AUTO(first button right to LED display) button for 3s.
LV600S
The display turns off automatically after 30 seconds of inactivity, or you can press and hold the MIST level button(between POWER and HUMIDITY control button) for 3 seconds to turn it off.
The VeSync app can also be used to turn on/off the display.
Why Your Levoit Humidifier Keeps Turning Off
Your humidifier can keep turning off due to safety triggers in the unit or the VeSync app. To fix this problem:
- Empty out the base, place the humidifier on the ground and press a manual mist control button. This will allow the water level sensor to reset and let you use the humidifier continuously. If this works, you may need to change the location of the humidifier so that the unit can work until the water in the tank runs out.
- Check the ‘Smart Scenes’ in your VeSync app to ensure that they are not interfering with your manual inputs. To find ‘Smart Scenes’ in the VeSync app, click on the paired product(your humidifier) and go to settings. There you can see ‘Smart Scenes .’In this tab, check the humidity auto-start/stop settings.
Why Your Levoit Humidifier Automatically Turns Off
The Levoit humidifiers automatically shut off if the water level is low or the tank is removed. The timer feature also allows you to schedule the running times, and will turn off the humidifier during selected time.
Why Your Levoit Humidifier Is Making Loud Noises
Your water tank might be making noise if:
- The water tank is not appropriately placed.
- Inappropriate mist level settings (try setting mist to a lower level).
- The humidifier is malfunctioning (stop using the unit and contact customer support).
- In LV600S and LV600HH humidifiers, the heating element can make a loud noise (when using the warm mist function) if the water level is not up to the mark. Add more water to fix this issue.
