Chapter 3 Ventilator Alarms
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3.1.3 Alarm Messages
When the ventilator detects an alarm, the Alarms and Messages Screen is displayed showing a
description of the alarm condition. When an alarm message appears, it will be highlighted in red
if it is a high priority alarm or in yellow if it is a medium or low priority alarm. (The highlight color
matches the alarm LED color on the Alarm Indicator/Audio Pause button.) If an alarm is manually
reset by the user, the Alarms and Messages screen is removed and the Monitoring Screen is re-
displayed. If the alarm self-cancels, the Alarms and Messages screen remains displayed, but the
highlight for the active alarm is removed, the LED is unlit, and the audible alarm stops.
3.2 Silencing an Alarm
When an alarm occurs, you can temporarily silence the audible indicator by pressing the Alarm
Indicator/Audio Pause button. The alarm is silenced for 60 seconds and then sounds again if the
cause of the alarm has not been corrected. Each time you press the Alarm Indicator/Audio Pause
button, another 60 second period is initiated.
When Audio Pause is active, the Alarm Indicator/Audio Pause symbol ( ) appears if you are on
the Monitor screen.
There is also a Pre-silence alarm feature. You can press the Alarm Indicator/Audio Pause button
at any time to begin a 60 second silence period. If an alarm occurs during that time the audible
indicator will not sound until the silence period ends.
3.3 Resetting an Alarm
The Reset button clears the currently active alarm(s) from the display and stops the LED and audible
alarm indicator. This button should be selected after the situation causing the alarm(s) has been
corrected. Pressing this button cancels all active alarms and restarts alarm detection.
The ventilator self-cancels certain alarms if the cause of the alarm is corrected, shutting o the alarm
LED, the audible alarm, and the alarm background color. You can manually reset an alarm by pressing
the Left button (Reset). An active alarm silence function is cancelled when any alarm is manually reset.
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