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 the device.
Problem/Possible cause | Solution |
No display |
|
Power is not connected. | Ensure the power cord is connected and the power outlet (if |
| available) is on. |
The DC plug is partially inserted into | Fully insert the DC plug. |
the back of the device or inserted |
|
too slowly. |
|
The S9 VPAP Tx and H5i are not | Ensure that the S9 VPAP Tx and H5i are securely attached. |
connected correctly. |
|
Insufficient air delivered from the device | |
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 | Adjust position of mask and headgear. |
positioned correctly. |
|
Incorrect air tubing selected. | If you are using the SlimLine, Standard or 3 m air tubing ensure |
| that you have the correct air tubing selected via the menu. |
The H5i flip lid is not latched | Close the flip lid ensuring that it clicks into place. |
correctly. |
|
The H5i flip lid seal is not fitted | Make sure the flip lid seal is facing the right way up and fitted |
correctly. | securely. |
Mask vents might be blocked. | Check if you have sufficient venting. Unblock mask vents if |
| necessary. |
EPAP may be set too low. | Adjust EPAP settings. |
There is excessive leak. | Adjust position of mask and headgear. |
Pressure rises inappropriately |
|
Talking, coughing or breathing in an | Avoid talking with a nasal mask on, and breathe as normally as |
unusual manner. | possible. |
Mask cushion is buzzing against the | Adjust the headgear. |
skin. |
|
Cushion seated incorrectly causing | Adjust headgear or |
excessive leak. |
|
Displays message: Heated tube fault, replace tube | |
Device has been left in a hot | Allow to cool before |
environment. | then reconnect it to restart the device. |
There is a fault in your ClimateLine | Discontinue using your ClimateLine or ClimateLineMAX heated |
or ClimateLineMAX heated air tubing. | air tubing and contact your service provider. Use SlimLine, |
| Standard or 3 m air tubing in the interim. |
Displays message: High temperature fault, refer to user manual
Device has been left in a hot environment.
Allow to cool before