•• The Circuit Disconnect alarm condition appears on the screen, highlighted in red
D.Reconnect Test Lung
Reconnect the test lung to the circuit.
E.Verify Reset
Wait at least 40 seconds and verify the following
•• The High Priority audible indicator has stopped sounding
•• The red light on the Alarm Indicator/Audio Pause button has stopped flashing
F.Restore Ventilator Settings
Modify the ventilator settings and change the following values shown below in Table 10.
Setting | Value |
Circuit Disconnect | Off |
5. Verify the High Inspiratory Pressure Alarm
This procedure verifies that the High Inspiratory Pressure alarm is working properly. It assumes that you have attached the test lung, verified ventilator settings, and turned on ventilator power as described in the Initial Setup section.
A.Change Ventilator Settings
Modify the ventilator settings and change the following values shown below in Table 11.
Setting | Value |
Mode | CV |
Tidal Volume | 500 ml |
Breath Rate | 12 BPM |
Inspiratory Time | 1.0 seconds |
Flow Pattern | Ramp |
145
Table 10 - Restore Ventilator Settings
Table 11 - Ventilator Settings
Note: If this alarm is not reset within 3 occurrences, the alarm is elevated to High Priority, and the High Priority Indicators occur.
Chapter 10 System Checkout Procedures
