TROUBLESHOOTING
#
%,&2
Problem | Possible Cause | Solution |
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No 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. |
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|
|
Insufficient air delivered | Ramp Time is in use. | Wait for air pressure to |
from the ResMed S7 |
| build up. |
Lightweight. | Air filter is dirty. | Replace air filter. |
| ||
| Air tubing is kinked or | Straighten or replace |
| punctured. | tubing. |
| Air tubing not connected | Check air tubing. |
| properly. |
|
| Mask and headgear not | Adjust position of mask and |
| positioned correctly. | headgear. |
| Cap(s) missing from access | Replace cap(s). |
| port(s) on mask. |
|
| Altitude compensation | Adjust altitude |
| setting is incorrect. | compensation setting to the |
|
| correct altitude range. |
| Pressure required for | See your clinician to adjust |
| treatment may have | the pressure. |
| changed. |
|
|
|
|
Excessive air delivered from | Altitude compensation | Adjust altitude |
the ResMed S7 Lightweight. | setting is incorrect. | compensation setting to the |
|
| correct altitude range. |
|
|
|
Displays error message: | Component failure. | Return your ResMed S7 |
Exx |
| Lightweight for servicing. |
(where xx defines an error |
|
|
code) |
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ENGLISH
TROUBLESHOOTING 21
