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normally. If the alarm condition still exists, the 'High Pressure' alarm will cycle through the
3-second loop.
4.2.3 Elevated Pressure Alarm
An audible and visual Medium Priority Elevated Pressure alarm is preset for a CPAP
pressure that is 2 cm H
alarm.
4.2.4
Low Pressure Alarm
An audible and visual Medium Priority Low Pressure alarm is preset for a CPAP pressure
that is 2 cm H
4.2.5 Disconnect Alarm
An audible and visual Medium Priority Disconnect alarm is preset to detect a pressure line
or patient interface that has come loose or that is disconnected. The alarm is set to activate
when both conditions are met according to the following chart:
While the alarm is active, the patient flow will remain within ±2 lpm of Target Flow. There is
a 5-second delay for this alarm.
For example: if the measured flow rate is ≥ 6 lpm AND the CPAP Level is ≤ 2 cm H
period of five (5) seconds, a Medium Priority alarm will activate.
4.2.6 Leak Alarm
An audible and visual Medium Priority Leak alarm is preset for a flow rate that is 3 lpm
above the Target Flow rate or for a flow that is greater than 15 lpm. There is a 5-second
delay for this alarm.
4.2.7 Low Flow Alarm
An audible and visual High Priority Low Flow alarm is preset for flow rates at or below 3
lpm. There is a 10-second delay for this alarm.
© © © © 2008, Cardinal Health
O above the Set CPAP level. There is a 5-second delay for this
2
O below the Set CPAP level. There is a 14-second delay for this alarm.
2
Measured
Flow
(lpm)
≥ 0
≥ 6
≥ 9
≥ 12
≥ 14
AirLife
Measured
CPAP
(cm H
O)
2
≤ 1
≤ 2
≤ 3
≤ 4
≤ 5
Page 12 of 81
®
nCPAP Driver Service Manual
O for a
2
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