Troubleshooting
If you have any problems, have a look at the following troubleshooting topics. If you are not able to fix the
problem, contact your care provider or ResMed. Do not try to open the device.
General Issues
Problem/possible cause
Air is leaking from around my mask
Mask may be fitted incorrectly.
I am getting a dry or blocked nose
Humidity level may be set too low.
I am getting droplets of water on my nose, in the mask and air tubing
Humidity level may be set too high.
Tube temperature may be too low.
My mouth is very dry and uncomfortable
Air may be escaping through your mouth.
My screen is black
Power may not be connected.
My humidifier tub is leaking
Humidifier tub may not be assembled correctly.
Humidifier tub may be damaged or cracked.
My therapy data has not been sent to my care provider/prescription settings have not been applied to my device
Wireless coverage may be poor/The no wireless
connection icon
is displayed on the top right of
the screen.
Device may be in Airplane Mode.
Data transfer is not enabled for your device.
SmartStart is enabled, but the device does not automatically start when I breathe into the mask
Breath is not deep enough to trigger SmartStart
There is excessive leak
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Solution
Make sure your mask is fitted correctly. See your mask user guide for
fitting instructions, run the mask fit function or refer to the Mask Fit video
in the app.
Increase the Humidity Level.
Decrease the Humidity Level.
Increase the Tube Temperature.
You may need a chin strap to keep your mouth closed or a full face mask.
Connect the AC adaptor and make sure the plug is fully inserted.
Check for damage and reassemble the humidifier tub correctly.
Contact your care provider for a replacement.
Make sure that the device is placed where there is coverage (ie, on your
bedside table, not in a drawer or on the floor).
The wireless signal strength icon
bars are displayed, and poor coverage when fewer bars are displayed.
Turn off Airplane Mode.
Talk to your care provider about your settings.
To start therapy, take a deep breath in and out through the mask, before
breathing normally.
Press the Start therapy/Standby button located on top of the device.
Adjust the mask and headgear
Air tubing may not be connected properly. Connect firmly at both ends.
indicates good coverage when all