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Table 10-2. Alarms and other messages
Alarm Definition Complete these actions
AERONEB
discon-
nected
Medium priority.
Aeroneb is active and the nebu-
lizer cable is disconnected.
Connect the nebulizer
cable. The alarm will be
cleared.
AERONEB
module dis-
connected
Low priority.
Aeroneb is active and the module
is removed or can not be identi-
fied.
Inspect the connection of
the module.
All gas sup-
plies failed
High priority.
All three alarms appear at the
same time
Inspect all gas supplies. Off
set one of the three alarms.
Air+heliox
supplies
failed
Medium priority.
Both alarms appear at the same
time
Inspect gas supplies. Off set
one of the alarms.
Air supply
failed
Medium priority.
The air supply pressure < 1.9 bar
(190 kPa/28 psi) or the input flow
dropped below 40 l/min. The
device will ventilate the patient
with 100% oxygen if the internal
pressure can be maintained. (The
alarm is not activated when the
Oxygen setting is 100%.)
Inspect air supply.
Increase air supply pressure.
Consider changing source.
Apnea High priority.
No patient trigger after the oper-
ator-set apnea time in SPONT,
SIMV, P-simv, APV-simv, DuoPAP,
APRV, NIV or NIV-ST-mode. Addi-
tionally, Apnea Alarm can also be
activated temporally, during
a recruitment maneuver, if the
apnea-time set is lower than the
recruitment-maneuver.
Check the patient! Con-
sider switching to a manda-
tory mode or consider
increasing the mandatory
rate or NIV-ST rate.
Apnea
ventilation
Low priority.
Apnea backup ventilation is
active.
Search for reason why
switch to apnea ventilation
was made. Check patient.
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