13Troubleshooting
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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.
No display
Insufficient air delivered from S8 Series II device
Device does not start when you breathe into the mask although your clinician has
enabled SmartStart.
Problem/Possible Cause Solution
Power is not connected. Ensure the power cable is connected and the power
switch (if available) is on.
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.
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.
Excessive leak. Adjust position of mask and headgear.
Replace caps if missing from ports on mask.
Air tubing may not be connected properly. Connect firmly
at both ends.
Air tubing may be kinked or punctured. Straighten or
replace.
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