How do I reset the filter indicator light after replacing the Pre-Filter or HEPA Filter?

To reset the Pre-Filter and Enhanced Odor & VOC Filter indicator, press the Filter Reset button 2 times within one second while the unit is powered off — the indicator light will blink twice and turn off. To reset the HEPA Filter indicator, press and hold the Filter Reset button for two seconds while the unit is powered off — the indicator light will blink twice and then turn off. (Page 8)