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ALARMS
The AIRVO 2 has visual and auditory alarms to warn you about interruptions to your patient's treatment.
These alarms are generated by an intelligent alarm system, which processes information from the sensors
and target settings of the unit and compares this information to pre-programmed limits.
ALARM SIGNALS
Visual alarm signal
(message)
Auditory alarm signal
3 beeps in 3 seconds.
Repeated every 5 seconds.
ALARM CONDITIONS
All of the alarms listed below have been assessed as "Medium Priority". These priorities have been
allocated for an operator's position within 1 meter of the device. The unit also uses an internal priority-
ranking system. If multiple alarm conditions occur simultaneously, the unit will display the highest-priority
alarm.
The following table lists all of the alarm conditions from highest-priority to lowest priority, their causes,
possible solutions and delays. Alarm conditions that affect oxygen delivery require an immediate response
to assess the patient's saturation levels. Alarm conditions that affect humidity delivery require a prompt
response to assess potential drying of mucus and associated blockages.
The following alarm delays assume operation in 'Ready for use' mode.
Message
Fault
The unit has detected an internal fault and has shut itself down.
(E###)
Switch the unit off and then restart. If the problem persists, note the fault
code and contact your Fisher & Paykel Healthcare representative.
Check tube
The unit cannot detect the heated breathing tube.
Check that the heated breathing tube is not damaged and that it is
plugged in correctly. If the problem persists, then change the heated
breathing tube.
Check for
The unit has detected a leak in the system.
leaks
The most likely cause is that the water chamber has been removed or has
not been pushed into place correctly.
Check that the heated breathing tube is not damaged and that it is
plugged in correctly.
Check that the nasal interface is fitted.
Check that the filter is fitted.
Check for
The unit has detected a blockage in the system.
blockages
Check the heated breathing tube or patient interface for blockage.
Check the air filter and filter holder for blockage.
Check whether the unit should be in Junior Mode. If the patient will be
using an Optiflow Junior nasal cannula (OPT316/OJR416/OPT318/OJR418),
you must activate Junior Mode.
O
too low
The measured oxygen level has fallen below the allowed limit.
2
Check that the oxygen source is still operational and is correctly
connected.
Adjust the level of oxygen from the oxygen source as necessary.
O
too high
The measured oxygen level has exceeded the allowed limit.
2
Check that the AIRVO flow rate has been set correctly.
Adjust the level of oxygen from the oxygen source as necessary.
Symbols
Alarm condition.
Audio paused.
Press this button to mute the auditory alarm for 115 seconds.
The auditory alarm can be reactivated by pressing this
button again.
Meaning
A – 10
Meaning
Delays
Affects
delivery of:
Oxygen,
< 5 seconds
humidity.
Oxygen,
< 5 seconds
humidity.
Oxygen,
< 120 seconds
humidity.
Oxygen,
< 10 seconds
humidity.
Oxygen
< 20 seconds
Oxygen
< 20 seconds
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