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Breath not detected
alarm.
Alarm Message:
Breath Not
Detected.
ET tube blocked or
disconnected.
Check the patient for air entry.
Check the patient circuit.
High alarm
threshold does not
move from top of
waveform window.
Alarm threshold set very high.
Check numerical value against
displayed scale.
Set alarm threshold closer to
waveform.
Preview mode
cancels.
The preview mode self cancels
after 20 seconds if no button
presses are made.
Re-select preview mode.
Sustained sub
ambient pressure
alarm present after
proximal airline
disconnection.
Autoset pressed while proximal
airline disconnected.
Reduce mean pressure to zero
and then increase to previous
level.
Cycle fail alarm
active with flow
sensor connected.
Proximal airline disconnected. Check the patient circuit.
Symptom Possible Cause Remedy
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