CareFusion AVEA Operating Instructions Manual page 56

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6. Verify that no alarms are active and clear the alarm indicator by pressing the alarm reset button on the upper right of the
user interface.
7. Set the % O control to 100%. Disconnect the Oxygen sensor from the back panel of the ventilator and verify that the
2
Low O alarm activates. Return the O
2
Remove sensor from back panel. Provide blow-by to the sensor from an external oxygen flow meter. Verify that the High
O alarm activates. Return the % O
2
by pressing the alarm reset button.
8. Set PEEP" to 0. Set Low PEEP alarm to 0. Disconnect the patient wye from the test lung. Verify that the Low Ppeak
alarm activates, followed by the Circuit Disconnect alarm. This second alarm should activate within 15 seconds or one
breath cycle. Reconnect the test lung to the circuit clear the alarm by pressing the reset button.
9. Disconnect the AC power cord from the wall outlet. Verify that the Loss of AC alarm activates. Reconnect the AC power
cord. Clear the alarm by pressing the reset button.
10. Occlude the exhalation exhaust port. Verify that the High Ppeak alarm activates, followed 5 seconds later by the
activation of the Ext High Peak Alarm.
11. Set the control setting for rate to 1 bpm. Verify that Apnea Interval alarm activates after the default setting of 20 seconds.
Return the control setting to its default value and clear the alarm by pressing the reset button.
12. Set the Low PEEP alarm setting to a value above the default control setting for PEEP on your ventilator. Verify that the
Low PEEP alarm activates. Return the alarm setting to its default value and clear the alarm by pressing the reset button.
13. Set the High Ppeak alarm setting to a value below the measured peak pressure or in neonatal ventilation, the default
control setting for Inspiratory Pressure on your ventilator. Verify that the High Ppeak alarm activates. Return the alarm
setting to its default value and clear the alarm by pressing the reset button.
14. Set the Low Ve alarm setting to a value above the measured Ve on your ventilator. Verify that the Low Ve alarm
activates. Return the alarm setting to its default value and clear the alarm by pressing the reset button.
15. Set the High Ve alarm setting to a value below the measured Ve on your ventilator. Verify that the High Ve alarm
activates. Return the alarm setting to its default value and clear the alarm by pressing the reset button.
16. Set the High Vt alarm setting to a value below the set Vt on your ventilator. Verify that the High Vt alarm activates.
Return the alarm setting to its default value and clear the alarm by pressing the reset button.
17. Set the Low Vt alarm setting to a value above the set Vt on your ventilator. Verify that the Low Vt alarm activates after
the number of breaths set in the Utility screen for VTE sensitivity. Return the alarm setting to its default value and clear
the alarm by pressing the reset button.
18. Set the High Rate alarm to a value below the default control setting for rate on your ventilator. Verify that the alarm
activates. Return the alarm to its default setting and clear the alarm by pressing the reset button.
19. Occlude the inspiratory limb of the patient circuit. Verity that the Circuit Occlusion alarm activates.
CAUTION
Although failure of any of the above tests will not prevent the ventilator from functioning, it should be checked to make
sure it is operating correctly before use on a patient.
Chapter 2: Unpacking and Setup
control setting to 21% with the sensor still disconnected from the rear panel.
2
to 21%, reconnect the Oxygen sensor to the back panel. Clear all alarm messages
2
Operator's manual
L2786 Rev. M