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 flow generator.
Problem | Possible cause | Solution |
|
|
|
Insufficient air delivered from | Air filter is dirty. | Replace air filter. |
flow generator |
|
|
| Air tubing is kinked or | Straighten or replace tubing. |
| punctured. |
|
|
|
|
Flow generator operating | Water may have entered the | Remove the water from the |
erratically, ie, switching on and | air tubing. | air tubing. |
off, pressure varying at random |
|
|
|
|
|
Pressure rises inappropriately | You are talking, coughing, | Avoid talking with the mask |
| voluntarily | on, and breathe as normally |
| while rolling over in bed), or | as possible. |
| intentionally breathing in an |
|
| unusual manner. |
|
| Severe mask leak or mouth | Correct your leak condition. |
| leak (greater than 30 L/min). |
|
|
|
|
Alarm stays on continuously | Blockage in air circuit. | Ensure there is no barrier to |
|
| the passage of air. |
| Internal malfunction. | Return the device to your |
|
| equipment supplier for |
|
| service. |
|
|
|
No LCD display | Power not connected or | Ensure the power cable is |
| switch at back is not on. | connected, and that the |
|
| switch at the back of the unit |
|
| is in the “on” position. |
|
|
|
FAULT message displayed on | Internal malfunction. | Return the device to your |
LCD |
| equipment supplier for |
|
| service. |
ENGLISH
System Error 7 message | Device |
| interrupted by breathing into |
| the mask during warm up. |
Turn the flow generator off and on again. Do not place mask on face during warm up (30 seconds). Select LEARN CIRCUIT (page 26). If the error is not cleared, contact your equipment supplier for service.
Internal malfunction. | Return the device to your |
| equipment supplier for |
| service. |
|
|
TROUBLESHOOTING
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