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Please consult the medical services department of your carrier if you intend to use your
S8 Series II on an aircraft. The S8 Series II complies with US FCC Part 15, Class B
requirements.
Note: Do not use your S8 Series II while the aircraft is taking off or landing.
Can I use my S8 Series II if mains (AC) power is not available?
A DC-12 converter is available to connect the S8 Series II to a 12V or 24V DC power
source. Contact your clinician for details.
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 cable is connected and the power
switch (if available) is on.
Insufficient air delivered from S8 Series II device
Ramp or settling time is in use. Wait for air pressure to build up or change ramp or
settling time.
Air filter is dirty. Replace air filter.
Air tubing is kinked or punctured. Straighten or replace tubing.
Air tubing not connected properly. Check air tubing.
Mask and headgear not positioned
correctly.
Adjust position of mask and headgear.
Cap(s) missing from access port on
mask.
Replace cap(s).
Pressure required for treatment may
have changed.
See your clinician to adjust the pressure.
Device does not start when you breathe into the mask although your clinician
has enabled SmartStart
Power cord not connected properly. Connect power cord firmly at both ends.
Power outlet may be faulty. Try another power outlet.
Leak Alert has been enabled by your
clinician; SmartStart automatically
disabled.
Contact your clinician.
Use of a ResMed Full Face mask. SmartStart does not work with a full-face mask as the
anti-asphyxia valve will not allow sufficiently high
pressure on exhalation.
Breath not deep enough to trigger
SmartStart.
Take a deep breath in and out through the mask.