Troubleshooting
If there is a problem, try the following suggestions. If the problem cannot be solved, contact your equipment supplier or ResMed. Do not attempt to open these devices.
Problem/Possible cause
No display
Power is not connected.
The DC plug is partially inserted into the back of the device or inserted too slowly.
Insufficient air delivered from the device
Ramp time is in use. | Wait for air pressure to build up or change ramp time. |
Air filter is dirty. | Replace air filter. |
Air tubing is not connected properly. | Check air tubing. |
Air tubing is blocked, pinched or | Unblock or free the air tubing. Check the air tubing for |
punctured. | punctures. |
Mask and headgear are not positioned | Adjust position of mask and headgear. |
correctly. |
|
Incorrect air tubing selected. | If you are using the SlimLine, Standard or 3m air tubing |
| ensure that you have the correct air tubing selected via the |
| menu. |
| |
Device does not start when you breathe into the mask | |
|
|
Breath is not deep enough to trigger | Take a deep breath in and out through the mask. |
SmartStart/Stop. |
|
There is excessive leak. | Adjust position of mask and headgear. |
Note: If Leak Alert is enabled, an | Air tubing not connected properly. Connect firmly at both |
audible alert is activated and a high leak | ends. |
message is displayed. |
|
SmartStart/Stop is disabled. | Enable SmartStart/Stop. |
Note: SmartStart/Stop is not available if |
|
Leak Alert is enabled. |
|
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