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ESO 2 ICU Ventilator 24 User Manual
Description: Oxygen Monitor
Note that in certain conditions of excess pressure, the readout
may show a value above 100%.
To set the high alarm, see section 4.3.
3.6.5 Oxygen Monitor Alarms
HIGH O2 ALARM
The high O2 alarm is triggered when the oxygen concentration
is 1% above the set value.
The high O2 Alarm visual indicator will illuminate.
A high priority audible alarm will sound.
To cancel this alarm, the high alarm setting must be equal to,
or above the oxygen concentration.
The alarm can be muted for 120 seconds.
LOW O2 ALARM
The low alarm is triggered when the oxygen concentration is
1% below the set value.
The Low O2 Alarm visual indicator will illuminate.
A high priority audible alarm will sound.
To cancel this alarm, the low alarm setting must be equal to,
or below the oxygen concentration.
The alarm can be muted for 120 seconds.
O2 SENSOR FAULT
The alarm is triggered:
1. When either the oxygen sensor is disconnected or
approaching the end of its life.
2. If the O2 concentration exceeds 110%.
The message O2 SENSOR FAULT will be displayed.
A high priority audible alarm will sound.
To cancel, check the sensor connection or replace the sensor.
The alarm can be muted for 120 seconds.
O2 SENSOR LOW
Indicates the sensor has approached the end of its life.
The legend O2 SENSOR LOW will be displayed, and a low
priority alarm (single note) will sound.
The sensor must be replaced as the output will fall very
quickly to zero within two to three weeks of normal usage.
See section 6 for sensor replacement.
3.6.6 Oxygen Monitor Alarm Mute
In an alarm condition, pressing the ALARM MUTE button (4)
will deactivate the audible alarm, but the alarm message
display will remain on screen.
The switch will illuminate, and a single note will sound.
The alarm mute can not be operated:
1. Until the mute time is over, or the alarm condition has
been rectified.
2. When oxygen concentration drops below 18%..
%O2
33
100
20
4