AirSense 10 User Guide
Troubleshooting

11. Troubleshooting

If you experience any problems, refer to the troubleshooting topics below. If you are unable to resolve 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.
I am getting a dry or blocked nose
Humidity level may be set too low. 		Adjust the Humidity Level. If you have ClimateLineAir heated air tubing, see the ClimateLineAir user guide.
I am getting droplets of water on my nose, in the mask, and in the air tubing
Humidity level may be set too high. 		Adjust the Humidity Level. If you have ClimateLineAir heated air tubing, see the ClimateLineAir user guide.
My mouth is very dry and uncomfortable
Air may be escaping through your mouth. 		Increase the Humidity Level. You may need a chin strap to keep your mouth closed or a full face mask.
Air pressure in my mask seems too high
Ramp may be turned off. 		Use the Ramp Time option.
Air pressure in my mask seems too low
Ramp may be in progress. 		Wait for air pressure to build up or turn Ramp Time off.
My screen is black
Backlight may have turned off. Press HomeHome button icon or the dialDial icon to turn the screen back on.
Power may not be connected. Connect the power supply and make sure the plug is fully inserted.
I have stopped therapy, but the device is still blowing air
Device is cooling down. 		The device blows a small amount of air to avoid condensation in the tubing. It will stop automatically after 30 minutes.
My humidifier is leaking
Humidifier may not be assembled correctly. Check for damage and reassemble the humidifier correctly.
Humidifier may be damaged or cracked. Contact your care provider for a replacement.
My therapy data has not been sent to my care provider
Wireless coverage may be poor. Make sure the device is placed where there is wireless coverage (e.g. on a bedside table, not in a drawer or on the floor).
Device may be in Airplane Mode. Turn off Airplane ModeAirplane Mode icon (see Travelling by plane).
Data transfer may not be enabled. Talk to your care provider about your settings. If instructed, send the SD card to your care provider.
My screen and buttons are flashing
Software upgrade is in progress. 		The software upgrade takes approximately 10 minutes to complete.

Device messages
Device message / possible cause Solution
High leak detected, check your water tub, tub seal or side cover
Humidifier may not be inserted properly. Make sure the humidifier is correctly inserted.
Humidifier seal may not be inserted properly. Open the humidifier and make sure the seal is correctly inserted.
High leak detected, connect your tubing
Air tubing may not be connected properly. Make sure the air tubing is firmly connected at both ends.
Mask may be fitted incorrectly. Make sure your mask is fitted correctly. See your mask user guide or use the Mask Fit function to check your mask fit and seal.
Tubing blocked, check your tubing
Air tubing may be blocked. Check the air tubing and remove any blockages. Press the dialDial icon to clear the message, then press Start/StopStart/Stop button icon to restart the device.
SD card error, remove your card and press Start to begin therapy
SD card may not be inserted correctly. Remove and reinsert the SD card.
Read only card, please remove, unlock and re-insert SD card
SD card switch may be in the lock (read-only) position. Move the switch on the SD card from the lock position 🔒 to the unlock position 🔓, then re-insert the SD card.
System fault, refer to user guide, Error 004
Device may have been left in a hot environment. Allow the device to cool before re-use. Disconnect the power supply and reconnect it to restart the device.
Air filter may be blocked. Check the air filter and replace it if blocked.
Air tubing may be blocked. Check the air tubing and remove any blockages.
There may be water in the air tubing. Empty any water from the air tubing.
All other error messages (e.g. System fault, Error 0XX)
An unrecoverable error has occurred on the device. Contact your care provider. Do not open the device.

ResMed - Troubleshooting your CPAP treatment

Related sections

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