Error 105
Levoit Humidifier
Severity: ModerateWhat Does This Error Mean?
Levoit Error 105 means the built-in humidity sensor cannot be read. Unplug the unit for 60 seconds and restart. If Error 105 returns immediately, the sensor has failed and the unit needs warranty replacement.
How to Fix It
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Unplug and wait 60 seconds
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Check for condensation on the sensor
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Clear the humidity sensor opening
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Run in manual mode to bypass the sensor
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Contact Levoit for warranty replacement
Frequently Asked Questions
Can I still use my Levoit humidifier with Error 105 showing?
If your model supports manual mist level control, you can continue using the unit without the auto-humidity function. The unit will not self-regulate humidity, but it will still produce mist at the set level.
Levoit Error 105 appeared after cleaning — did I cause it?
Error 105 after cleaning usually means water entered the sensor area. Allow the unit to dry completely with the cap off for 24 hours before restarting. If the error persists after drying, the sensor was damaged by water.
Which Levoit models can show Error 105?
Error 105 appears on Levoit OasisMist, Dual 200S, LV600HH, and other smart models with built-in humidity sensors. Check the error code section of your model's manual to confirm the exact meaning.