9.4 Alarm messages
9.4.1 High priority clinical alarms
Color = black text, red background, flashing.
Sound = A three tone pitch followed by a short
pause and then a two tone pitch followed by
a pause, repeated indefinitely.
The following high priority alarms exist on the
system:
DescriptionAlarm
O
2
central gas supply pressure <2.5 barO
2
supply pressure: Low
Alarm activated when time between breaths
exceeds the adjustable time limit.
Apnea
8
No breath detection for >60 sApnea >60 s
9
No breath detection for >120 sApnea >120 s
10
Peak airway pressure exceeds the set upper
pressure limit. The system shifts to 'exhale'. At peak
airway pressure + 5cmH
2
O, a safety valve opens.
Airway pressure: High
Backup version of the 'Airway pressure: High'
alarm. Peak airway pressure exceeds set upper
pressure limit by 2 cmH
2
O. When peak airway
pressure exceeds set upper pressure limit by 7
cmH
2
O, a safety valve opens.
Airway pressure: High
Peak airway pressure exceeds the set upper
pressure limit by a value dependent on the current
APL setting.
Airway pressure: High
11
Airway pressure exceeds 120 cmH
2
O. A safety
valve opens.
Airway pressure: High
12
Airway pressure is constant above set PEEP level
+15 cmH
2
O more than 15 seconds.
High continuous pressure
13
The measured end expiratory pressure is above the
preset or default alarm limit for three consecutive
breaths.
PEEP: High
Measured airway pressure is below -10 cmH
2
O for
more than one second
Negative airway pressure
Expiratory minute volume is below the lower alarm
limit.
Expiratory Minute Volume: Low
8. Pressure support, SIMV modes
9. Infant, manual mode only
10. Adult, manual mode only
11. Manual mode only
12. AFGO ventilation only
13. Automatic mode only
196
FLOW-i 4.2, User's Manual
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| Alarms and patient safety |