BreatheSmart 45i - Troubleshooting - Turning off Sporadically

If your 45i turns off on its own:

The 45i has an option to use a timer. Do you have the 2-hour, 4-hour, or 12-hour option selected?

How to use the timer:

1. Ensure the LOCK button is not being used. If it is, press and hold the LOCK button for 3 seconds to unlock the control panel.
2. Press TIMER to have the air purifier run for a set number of hours (either two, four, or twelve) before turning off. Once one of the three options are selected the light below the selected hour will appear.

Note: If none of the preset hours are not selected, the purifier will continue to run until you manually turn it off.