BreatheSmart 75iv2 - Troubleshooting - Buttons Not Working

If the buttons on your 75iv2 are not working:

The 75iv2 has a child safety lock. Do you have the LOCK button enabled? When it is locked, a light will appear above the lock button.
To unlock the control panel: Press and hold the LOCK button for 3 seconds. (You will hear a beep and the light above the LOCK button will turn off.)

If troubleshooting did not remedy the issue, please contact Customer Experience at (800) 630-2396 or by chat Monday-Friday between 8am & 6pm CST, or by filling out the following contact form. We are happy to assist you!