BreatheSmart 75i - Troubleshooting - Filter Light Reset

To Reset the Filter Light: 

Every time you change the filter, you need to reset the FILTER light.

While the 75i is powered on, press and hold filter button for approximately 5 seconds. (It will beep and change the yellow or red light back to the green light.)

Additional information: Changing the Filter for the BreatheSmart 75i