What to do if the refill indicator light turns on in my Levoit Classic 300 Humidifier?
- MMatthew ClarkJul 29, 2025
If the refill indicator is on, refill the water tank. Also, ensure the water tank is placed correctly on the base. If the issue persists, the water filter may need cleaning (see page 11 in the manual) or replacement. You can also place the water tank properly on the base.