Specifications

Aestiva
5-6 1006-0939-000
5-6
Cal Flow Sensors Low The last flow sensor
calibration failed.
Calibrate the flow sensors.
Look for water in the flow
sensor tubes. Dry if
necessary.
Contact a qualified
service
representative.
Calibrate O
2
Sensor
Low O
2
%>110% Does the sensor measure
21% O
2
in room air?
Calibrate O
2
sensor.
Canister open Medium The canister release is
open (large leak) without
a bypass mechanism.
Close the canister release. A switch checks the
release position.
Cannot Drive
Bellows
Low The internal manifold
pressure is higher than
Paw + tolerance.
Fill the bellows if empty. - - -
Cardiac Bypass Low The alarm limit settings
are set for a patient on
cardiac bypass. Apnea
alarms are off.
Use the alarm limits menu to
change this setting.
- - -
Check Flow
Sensors
Medium
(low after
acknowledged)
No flow or negative flow
on inspiratory sensor
during inspiration in a
circle system or negative
flow on expiratory sensor
in expiration (for 6
breaths in a row).
Are the flow sensors correctly
installed?
Water build-up in the flow
sensor tubes?
Is a flow sensor tube cracked
or broken?
Inspect one way
valves (breathing
circuit module).
Replace flow sensor
module with the
spare. Check the
condition of the flow
sensor and its tubing.
Circuit Leak Audio
Off
Low Control setting on the
Alarm limit menu.
This message tells you that
the audio alarm for circuit
leaks was turned off.
- - -
Connect O
2
Sensor Low The O
2
sensor is not
connected to the cable.
Connect the sensor. Contact a qualified
service
representative to
replace the cable.
Message Priority Cause Action/Concerns Repair