Message Priority Cause Action
Service
calibration
advised
Low Calibration data is corrupt. Contact an authorized service
representative.
System leak? Low Leak detected between ventilator and
patient circuit.
Check for leaks in the breathing system.
System shutdown
in < 5 minutes
High Remaining battery power is between
zero and five minutes.
Plug in the power cable.
Touchscreen
failure
Medium Touchscreen interface is not working. Contact an authorized service
representative.
Turn off gas flow Medium The gas flow is greater than 300 ml in
Standby.
Turn off the gas flow.
Turn power Off
and On for self
tests
Low System has been operating for longer
than 12 hours without a power-up self
test.
Turn power off and back on between
cases to perform a self test.
TV not achieved Low Measured tidal volume is less than set
tidal volume.
Check for leaks in the patient circuit.
Check for leaks in the breathing system.
TVexp high Medium TVexp is greater than TVexp high
alarm limit (for nine breaths).
Set the alarm limits appropriately.
Check ventilation settings.
TVexp low Medium TVexp is less than TVexp low alarm
limit (for nine breaths).
Set the alarm limits appropriately.
Check ventilation settings.
Unable to drive
bellows
Low Bellows is collapsed. Check the drive gas. Increase fresh gas
flow (or push the O2 flush button) to fill
the bellows.
Ventilate
manually!
High Software or hardware failure prevents
mechanical ventilation. No pressure,
no flow, and no volume monitoring
from ventilator.
Use a manual bag to ventilate the
patient or use an alternate machine.
Shut down the system as soon as
possible and contact an authorized
service representative.
Ventilate
manually!
Medium Software or hardware failure prevents
mechanical ventilation.
Use a manual bag to ventilate the
patient or use an alternate machine.
Shut down the system as soon as
possible and contact an authorized
service representative.
Ventilator has no
drive gas
High Drive gas supply is not sufficient to
mechanically ventilate.
Check drive gas supply. Use a manual
bag to ventilate the patient until drive
gas supply is restored.
Vol and Apnea
monitoring off
Low Non circle circuit is selected.
Auxiliary gas is turned on.
Message will clear when circle circuit is
selected.
Vol vent only. No
PEEP or PSV.
Medium Manifold pressure error. Pressure
control unavailable. Bag/Vent switch is
in Vent and running PCV, PSVPro
™
,
SIMV PCV, CPAP + PSV, PCV-VG, or
SIMV PCV-VG mode.
Use volume control ventilation mode.
Shut down the system as soon as
possible and contact an authorized
service representative.
Vol vent only. No
PEEP or PSV.
Low Manifold pressure error. Pressure
control unavailable. Bag/Vent switch is
in Vent and running VCV or SIMV VCV
mode, Bag/Vent switch is in Bag, or
Non-circle circuit or ACGO is selected.
Use volume control ventilation mode.
Shut down the system as soon as
possible and contact an authorized
service representative.
Volume sensors
disagree
Low TVexp is greater than TVinsp for six
breaths.
Calibrate the flow sensors. Replace the
flow sensors if the message does not
clear.
7 Alarms and troubleshooting
2076152-001 7-11
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