4
Air tubing is blocked, pinched or
punctured.
Unblock or free the air tubing. Check the air tubing for
punctures.
Mask and headgear are not positioned
correctly.
Adjust position of mask and headgear.
Incorrect air tubing selected. If you are using the SlimLine or Standard 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
SmartStart/Stop.
Take a deep breath in and out through the mask.
There is excessive leak. Adjust position of mask and headgear.
Air tubing not connected properly. Connect firmly at both
ends.
SmartStart/Stop is disabled. Enable SmartStart/Stop.
Device does not stop when you remove your mask
SmartStart/Stop is disabled. Enable SmartStart/Stop.
SmartStart/Stop is enabled but the device does not stop automatically when you remove your
mask
Incompatible mask system being used. Only use equipment recommended by ResMed.
The patient is using a nasal pillows
mask with a set pressure less than
7cm H
2
O.
Disable SmartStart/Stop.
Pressure rises inappropriately
Talking, coughing or breathing in an
unusual manner.
Avoid talking with a nasal mask on, and breathe as normally
as possible.
Mask cushion is buzzing against the
skin.
Adjust the headgear.
Displays error message: High temperature fault, refer to user manual
Device has been left in a hot
environment.
Allow to cool before re-use. Disconnect the power cord
and then reconnect it to restart the device.
Air filter is blocked. Replace your air filter. Disconnect the power cord and then
reconnect it to restart the device.
Problem/Possible cause Solution
368147 S9 AutoSet S9 Elite User Guide ROW.book Page 4 Thursday, August 4, 2011 8:57 AM