Levoit air purifiers are effective devices used to improve indoor air quality. These air purifiers play a significant role in reducing health issues caused by air pollution and allergens, particularly in urban areas. However, over time, these devices may encounter various problems. In this article, we will address the most common issues with Levoit air purifiers and focus on troubleshooting techniques to ensure their longevity and effective operation. By doing so, we can enhance our quality of life in a healthy and clean indoor environment.
Troubleshoot Your Air Purifier
Problem: Air purifier does not power on.
Cause and Solution:
#Unit is not plugged into an electrical outlet. Connect the plug to a powered electrical outlet.
#Outlet is not working properly. Try plugging the air purifier into a different outlet.
#Back cover not properly placed on the unit. Properly replace the back cover as noted in the Getting Started section on page 8.
#Power cord is damaged. / Air purifier is defective or malfunctioning. Immediately discontinue use and contact Customer Support (page 18).
Problem: Air purifier does not respond to button controls.
Cause and Solution:
#Air purifier is not plugged into an outlet. Connect the plug to a powered electrical outlet.
#Back cover not properly placed on the unit. Properly replace the back cover as noted in the Getting Started section on page 8.
#Air purifier is defective or malfunctioning. Immediately discontinue use and contact Customer Support (page 18).
Problem: Why does the air quality indicator only stay at one color after activating Auto Mode?
#There has been no significant change in air quality. Allow the air purifier to continue running.
#Auto Mode has just been turned on. Allow the air purifier to run for one minute. After one minute, the color of the air quality indicator will change based on the detected air quality.
#Unit is defective or malfunctioning. Immediately discontinue use and contact Customer Support (page 18).
Problem: The air quality indicator always stays red, and the unit is running on high speed.
Cause and Solution:
#The dust sensor may need to be cleaned. Clean the dust sensor as mentioned in the Cleaning the Dust Sensor section (page 14).
Problem: Air purifier makes an unusual noise while operating.
Cause and Solution:
#Air filters are dirty. Replace the air filters as instructed in the Replacing the Air Filters section on page 12.
#Filter does not fit properly. Properly place filter(s) as noted in the Getting Started and Replacing the Air Filters sections (pages 8 and 12).
#Foreign object inside the unit. Immediately discontinue use and contact Customer Support (page 18). DO NOT attempt to open the air purifier.
Problem: Significantly reduced airflow.
Cause and Solution:
#Filter packaging has not been removed. Remove filter from packaging before use.
#Fan speed is low. Press ‘fan’ to adjust fan speed.
#Filter needs to be replaced. Replace the air filters as instructed in the Replacing the Air Filters section on page 12.
#Not enough clearance on all sides of the purifier. Ensure there is at least 15 inches (38 cm) of clearance on all sides of the purifier.
Problem: Poor air purification quality.
Cause and Solution:
#Room is too large for the air purifier’s applicable area. Ensure the room is smaller than 300 ft² (30 m²).
#Air inlet or outlet is blocked. Remove objects blocking air inlet or outlet.
#Filter(s) not properly placed in housing. Properly place filter as noted in the Getting Started and Replacing the Filters sections (pages 8 & 12).
Problem: Filter reset button is still illuminated after replacing the air filter.
Cause and Solution:
#The air purifier has been reset incorrectly. See the Resetting the Air Purifier section on how to properly reset the unit (page 13).
Led Display
Cleaning Filter
Checking the Air Filters
When the change filter icon lights up, this is simply a reminder to check the air filters. The icon turns on sooner or later depending on how often you use your air purifier. It does not necessarily mean it is time to change the filters. If the change filter indicator has turned on, please remember to reset the air purifier after checking the filters by pressing the black reset button inside the vent on the side of the air purifier.
When Should I Replace the Air Filters?
It is recommended to change the air filters every 6–8 months. However, you may need to change your filters sooner or later depending on how often you use your air purifier. It is important to watch out for the following signs of expired filters:
- Increased operating noise
- Decreased airflow
- Clogged filters
- Increased presence of odors
Button Controls
Replacing the Air Filters
1. Unplug the air purifier and remove the back cover.
2. Remove the old air filters and properly dispose of them.
3. Unwrap the new air filters. Place the Activated Carbon filter inside the housing first, making sure the pull tabs are facing out
4. Install the True HEPA filter into the housing. Making sure the pull tabs are facing out
5. Replace the back cover onto the housing
6. Press the button inside the reset button vent
Resetting the Air Purifier
It is necessary to reset the air purifier after changing the air filters.
- Plug in the air purifier and turn it on.
- Locate the reset button vent on the side of the air purifier.
- Use a pen, pencil, or a small object to press the black reset button inside the vent.
- The change filter indicator will disappear, indicating that the reset is complete.
NOTE: When using the air purifier in a heavily polluted environment, the lifetime of the air filters may be significantly reduced and the filters may stop filtering air properly. You can change the filters even if the change filter indicator does not light up. Follow the steps in the Replacing the Air Filters section, then reset the air purifier.
Cleaning the Dust Sensor
- Turn off and unplug the air purifier.
- Open the dust sensor cover.
- Use a cotton swab, dipped in clean water, to clean the lens.
- Wipe the lens dry with a dry, clean cotton swab.
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