My check filter indicator is red even if the filters were just replaced. What should I do?

You may reset the check filter indicator by following the instructions below:

  1. With the air purifier plugged in and the fan turned off, press and hold the Control Button for 3 seconds. This will turn on the red indicator light.
  2. Press and hold the Control Button again for 3 seconds.
  3. The red light will turn off when successfully reset.

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