Specifications

Aestiva
5-8 1006-0939-000
5-8
Heliox Mode is On Low Control setting on
ventilation setup menu.
When Heliox is used, the
ventilator must adjust volume
calculations.
- - -
High O
2
Medium O
2
% > alarm high limit
setting.
Is the limit set correctly? What
is the O
2
flow?
Did you just push Flush? Does
the sensor see 21% O
2
in
room air?
Calibrate O
2
sensor.
Replace O
2
sensor.
High Paw High Paw is greater than Plimit.
The ventilator cycles to
expiration.
Are Plimit and other controls
set correctly? Look for
blockages.
Check the patient connection.
Calibrate the flow
sensors.
Replace the receiver
filter.
High Ve Medium The minute volume is
greater than the set high
limit. This alarm is
suspended for 9 breaths
after you change the
ventilator settings.
Check patient for
spontaneous breathing.
Adjust control settings.
- - -
High Vte Medium VTE is greater than high
alarm limit. This alarm is
suspended for 9 breaths
after you change the
ventilator settings.
Check patient for
spontaneous breathing.
Check ventilator and alarm
settings.
- - -
Insp Flow Sensor
Fail
Low The system cannot read
the calibration data
stored in the sensor.
Operation continues with
default values.
Replace the flow sensor.
- - -
Inspiration
Stopped
High Drive gas safety switch
activated (high pressure)
Adjust controls. Check
systems for blockages.
- - -
Insp Reverse Flow Medium
(low after
acknowledged)
Flow through the
inspiratory sensor during
expiration (for 6 breaths
in a row).
Look at the check valves.
Water build-up in the flow
sensor tubes?
Is a flow sensor tube cracked
or broken?
Replace the
inspiratory check
valve.
Check the condition
of the flow sensor.
Message Priority Cause Action/Concerns Repair