Troubleshooting
If there is a problem, try the following suggestions. If you are not able to fix the problem, contact your local ResMed dealer or ResMed office. Do not open the device.
General troubleshooting
Problem/possible cause | Solution |
|---|---|
Air is leaking from around the mask | |
Mask may be fitted incorrectly. | Make sure the mask is fitted correctly. See the mask user guide for fitting instructions or run the Mask Fit function. |
The patient is getting a dry or blocked nose | |
Humidity level may be set too low. | Increase the Humidity Level. |
There are droplets of water in the mask and air tubing | |
Humidity level may be set too high. | Decrease the Humidity Level. |
Tube temperature may be too low | Increase the Tube temp |
The patient is getting a very dry mouth | |
Air may be escaping through the patient's mouth. | Increase the Humidity Level. The patient may need a chin strap to keep the mouth closed or a full face mask. |
The patient feels that too much air is being delivered from the device | |
Ramp may be turned off | Use the Ramp Time option. |
The patient feels that not enough air is being delivered from the device | |
Ramp may be in progress | Wait for air pressure to build up or turn Ramp Time off |
Ramp start pressure may be too low | Increase Ramp start pressure. |
No display | |
Backlight on the screen may have turned off. It turns off automatically after a short period of time | Press the Start therapy /standby button located at the top of the device or touch the screen. |
Power may not be connected. | Connect the AC adaptor and make sure the plug is fully inserted. |
Therapy has stopped but the device is still blowing air | |
Device is cooling down | Device blows a small amount of air in order to avoid condensation in the air tubing. It will stop automatically after 30 minutes. |
Humidifier tub is leaking | |
Humidifier tub may not be assembled correctly. | Check for damage and reassemble the humidifier tub correctly. |
Humidifier tub may be damaged or cracked. | Replace the humidifier tub. |
The patient is not getting enough air/oxygen flow is disrupted | |
Tubing or humidifier tub may be blocked | Check for blockages. Reconnect the tubing and reassemble the humidifier tub correctly. |
SmartStart is enabled, but the device does not automatically start when the patient breathes into their mask | |
Breath is not deep enough to trigger SmartStart | To start therapy, take a deep breath in and out through the mask, before breathing normally. Press the Start therapy/Standby button located on the top of the device |
There is excessive leak | Adjust the mask and headgear Air Tubing may not be connected properly. Connect firmly at both ends. |
SmartStop is enabled but does not automatically stop when the patient removes their mask | |
Incompatible mask being used | Only use equipment recommended by ResMed. Contact ResMed or see ResMed.com for more information If the patient is using a conduit mask, SmartStop will not work. |
Device error messages
Device message/possible cause | Solution |
|---|---|
High leak detected. Check your humidifier or side cover | |
Humidifier tub may not be inserted properly. | Make sure the humidifier tub 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 the mask is fitted correctly. See the mask user guide for fitting instructions or use the Mask Fit function to check the mask fit and seal. |
Tubing blocked. Check your tubing | |
Air tubing may be blocked. | Check the air tubing and remove any blockages. Press the Start therapy/Standby button to restart the device. |
Read only card. Remove, unlock and re-insert SD card | |
SD card switch may be in the lock (read-only) position. | SD card functionality is not intended to be used for the AirCurve 11 VPAP Tx. |
System fault, refer to user guide, Error 4 | |
Device may have been left in a hot environment. | Allow to cool before re-use. Disconnect the AC adaptor and then reconnect it to restart the device. |
Air filter may be blocked. | Check the air filter and replace it if there are any blockages. Disconnect the AC adaptor and then reconnect it to restart the device. |
There may be water in the air tubing. | Empty the water from the air tubing. Disconnect the AC adaptor and then reconnect it to restart the device. |
All other error messages, for example, System Fault, refer to user guide, Error X | |
An error has occurred on the device. | Remove power and restart device. If error persists, contact your local ResMed dealer or ResMed office. Do not open the device. |