SECTION 3
SERHT50NA A0808 3-19
PCV Not Reached Alarm
(automatic)
Audible Alarm: Intermittent beep
Visual Alarm: ▼Paw/Apnea indicator blinks red
Message Window: PCV NOT REACHED
The PCV Not Reached Alar
m is activated in pressure control
ventilation when the maximum inspiratory pressure (Paw P) is
less than 50% of the target pressure for 2 consecutive mandatory
breaths. The alarm is reset when maximum inspiratory pressure
(Paw P) is >
50% of the target pressure.
Humidifier Alarm
(automatic) HT50-H only
Audible Alarm: Intermittent 3-pulse caution beep
Visual Alarm: Humidifier indicator blinks yellow
The Humidifier Alar
m is activated when any of the following
conditions occur in the HT50 built-in humidifier. When an alarm
condition is detected the humidifier heater shuts down.
There are five humidifier alarms:
Messa
ge Display Window Cause of Alarm
Check Humidifier Bottle removed or not clamped
properly when trying to activate
the humidifier. Temp Probe not
connected or missing when
trying to activate the humidifier.
Humidifier Fail Bottle removed while humidifier
is On. Failure of the primary
humidifier control.
Check Temp Probe Temp Probe damaged or
missing while humidifier is On.
High Prox Temp Proximal temperature exceeds
set target temperature by 4°C
when set at >
34°C or 6°C when
set at < 34°C.
High Temp Core Excessive temperature in the
humidifier heating element.
NOTE: The Humidifier Alarm is automatically set when using the
HT50 humidifier. Humidifier Alarms (and the built-in humidifier) do
not function when the HT50 is po
wered on internal battery.
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