English 9
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 troubleshooting
Problem/possible cause Solution
Air is leaking from around my mask
Mask may be fitted incorrectly. Make sure your mask is fitted correctly. See your mask user
guide for fitting instructions or use the Mask Fit function to
check your mask fit and seal.
Air pressure in my mask seems too high (it feels like I am getting too much air)
Ramp may be turned off. Use the Ramp Time option.
Air pressure in my mask seems too low (it feels like I am not getting enough air)
Ramp may be in progress. Wait for air pressure to build up or turn Ramp Time off.
My screen is black
Backlight on the screen may have turned off. It turns off
automatically after a short period of time.
Press Home or the dial to turn it back on.
Power may not be connected. Connect the power supply and make sure the plug is fully
inserted.
My therapy data has not been sent to my care provider
Wireless coverage may be poor. 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 indicates good
coverage when all bars are displayed, and poor coverage
when fewer bars are displayed.
The No wireless connection icon is displayed on the
top right of the screen. No wireless network available.
Make sure that the device is placed where there is coverage
(ie, on your bedside table, not in a drawer or on the floor).
If instructed to do so, send the SD card to your care provider.
The SD card also contains your therapy data.
Device may be in Airplane Mode. Turn off Airplane Mode, see Travelling by plane.
Data transfer is not enabled for your device. Contact your care provider to enable the data transfer
service.
My screen and buttons are flashing
Software upgrade is in progress. Software upgrade takes approximately 10 minutes to
complete.