Mindray Datascope AS 3000, Service Manual

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AS3000™ Service Manual 0070-10-0683 6 - 33
Periodic Maintenance Functional Tests
6.8.8.3 High FiO
2
Alarm Test
1. Set the high FiO
2
Alarm limit to 49% O
2
.
2. Set the FiO
2
flow control valve to 5 L/min.
3. Set the AIR flow controller to minimum.
4. Verify the following High FiO
2
alarm signals activate:
• High FiO
2
message appears on the screen.
• An alarm tone sounds.
5. Set the high FiO
2
alarm limit to the max setting.
6. Verify the alarm signals cease.
6.8.8.4 Peak Pressure Alarms Test
1. Set the PAW low alarm to the lowest setting.
2. Set the PAW high alarm limit set point about 5 to 8 digits below the Peak Pressure
displayed on the upper left of the screen.
3. Verify the following (high) peak pressure alarms activate:
a. High Airway Pressure message appears on the screen.
b. An alarm tone sounds.
c. Inspiration ends and expiration begins as the pressure meets the high alarm limit.
4. Set the PAW high alarm limit set point to 65 (cmH
2
O).
5. Verify the alarms signals cease.
6. Set the PAW low alarm limit set point to 50 (cmH
2
O).
7. Verify the following (low) peak pressure alarms activate:
a. Low Airway Pressure message appears on the screen.
b. An alarm tone sounds.
8. Set the PAW low alarm limit to 12 (cmH
2
O).
9. Verify the alarm signals cease.