Cardinal Health AirLife nCPAP Hardware Service Manual page 75

Warning Screen
© © © © 2008, Cardinal Health
Description
Indicates that the Air
source pressure has
dropped below the
specified minimum of 41
psig. User may opt to
remove the device from
service or select OXYGEN
ONLY mode (FiO will go
2
to 100%)
Indicates that the Air
source pressure has
exceeded the specified
maximum of 66 psig. User
may opt to remove the
device from service or
select OXYGEN ONLY
mode (FiO will go to
2
100%)
Indicates the warnings
associated with delivering
high FiO for prolonged
2
periods of time. This
screen will appear and
must be accepted in order
to enter OXYGEN ONLY
mode
Page 75 of 81
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AirLife nCPAP Driver Service Manual
Possible Fault
Air source has become
disconnected, tank has
run out, or the hose/
fittings are leaking
excessively
Clogged inlet filter
screen
Faulty inlet pressure
sensor
Air source pressure
exceeds the maximum
specified
Faulty inlet pressure
sensor
Mandatory warning
screen that appears if
OXYGEN ONLY mode
is imminent due to the
loss of the Air source
(air source outside of
specification)
Suggested Action
Follow on-screen
commands and reconnect
air source, replace tank, or
fix leak. The driver will
automatically resume
oxygen blending to the
original FiO setting when
2
the Air source has been
replenished or the leak is
resolved.
Remove from service and
perform PM service to inlet
filter screens
Remove device from
service and service/repair
the Manifold Assembly
Fix Air source pressure
and/or regulate the inlet
pressure between
41 – 66 psig
Remove device from
service and service/repair
the Manifold Assembly
Follow on-screen
commands and reconnect
Air source, replace tank, or
fix leak. The driver will
automatically resume
oxygen blending to the
original FiO setting when
2
the Air source has been
replenished or the leak is
resolved.