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Calibrate Oxygen
cell alarm.
Alarm Message:
Calibrate Oxygen
Cell.
The oxygen sensor has
registered >105% oxygen
concentration.
Recalibrate O2 sensor.
If sensor at fault a new oxygen
cell alarm will be generated. If
this messages appears remove
patient to alternative form of
ventilation, then remove
ventilator from service.
Note alarm message and refer
ventilator to qualified service
personnel.
Oxygen calibration
failure.
Alarm Message:
O2 Calibration Fail.
During the oxygen sensor
calibration the ventilator could
not achieve a reading of 100%
oxygen.
Remove patient to alternative
form of ventilation, then remove
ventilator from service.
Note alarm message and refer
ventilator to qualified service
personnel.
Displayed
percentage of
Oxygen below 21%.
Alarm Message:
Low Oxygen Level.
Oxygen sensor drifting. Remove patient to alternative
form of ventilation.
Carry out two point oxygen
sensor calibration. Check
measured values after
calibration.
If value still below 21% after
calibration refer ventilator to
qualified service personnel.
Monitor/display
comms fail alarm.
Alarm Message:
Monitor/display
comms fail.
A hardware/software fault has
developed within the ventilator.
Remove patient to alternative
form of ventilation, then remove
ventilator from service.
Note alarm message and refer
ventilator to qualified service
personnel.
Symptom Possible Cause Remedy
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