What does the smiley face in my machine mean?

AirSense

For leak, the smiling face means that your leak was good. A frowning face for leak means your leak was high. For the humidifier, the smiling face indicates an attached and functioning humidifier. A frowning face for the humidifier indicates an humidifier fault. If you experience an humidifier fault, please contact your home medical equipment provider for assistance.

Find answers to many of your myAir questions on our support page ( https://myair.resmed.com/Support.aspx ). Be sure to also check out the helpful videos and articles in your myAir Sleep Library.