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System Specifications
There is excessive leak. Adjust position of mask and headgear.
Plugs may be missing from ports on mask. Replace plug(s).
Air tubing is not connected properly. Connect firmly at both ends.
Air tubing is kinked or punctured. Straighten or replace.
There is a large impedance (eg, antibacterial
filter, oxygen connector) in the air circuit.
Press the Start/Stop key.
The device does not stop when you remove your mask.
SmartStart/Stop is disabled. Enable SmartStart/Stop.
Use of a full face mask. SmartStop does not work with a full face
mask.
Incompatible humidifier or mask system
being used.
Use only equipment as recommended and
supplied by ResMed.
Leak Alarm or Low MV Alarm is set to ON. Consult your clinician.
Displays error message: SYSTEM ERROR Call service!
Component failure. Return your device for servicing.
Excessive motor noise.
Component failure. Return your device for servicing.
Dynamic pressure
characteristics
• IPAP: 2 cm H
2
O to 30 cm H
2
O (measured at the end of
standard 2 m air tubing)
• EPAP: 2 cm H
2
O to 25 cm H
2
O (measured at the end of
standard 2 m air tubing)
• CPAP: 4 cm H
2
O to 20 cm H
2
O (measured at the end of
standard 2 m air tubing)
Maximum single fault
pressure:
40 cm H
2
O
Maximum flow
(Pressure, measured at
the end of standard
2 m air tubing)
Pressure (cm H
2
O) Flow (L/min)
4 244
8 252
12 245
16 248
20 246
Sound pressure level: <30 dB (tested in accordance with the requirements of ISO
17510-1:2002)
<37 dB (tested in accordance with the requirements of ISO
17510-1:2007)
Sound power level: <45 dB (tested in accordance with the requirements of ISO
17510-1:2007)
Problem / Possible Cause Solution