Mindray Datascope AS 3000, Service Manual

Page: 172 / 180

AS3000™ Service Manual 0070-10-0683 6 - 45
Periodic Maintenance Preoperative Checklist
22. High and Low PAW Alarm Test
a. Set the PAW low alarm to the lowest setting.
b. 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.
c. Verify the following (high) peak pressure alarms activate:
• High Airway Pressure message appears on the screen.
• An alarm tone sounds.
• Inspiration ends and expiration begins as the pressure meets the high alarm limit.
a. Set the PAW high alarm limit set point to 65 (cmH
2
O).
b. Verify the alarms signals cease.
c. Set the PAW low alarm limit set point to 50 (cmH
2
O).
d. Verify the following (low) peak pressure alarms activate:
• L ow Airway Pressure message appears on the screen.
• An alarm tone sounds.
a. Set the PAW low alarm limit to 12 (cmH
2
O).
b. Verify the alarm signals cease.
23. Low MV and APNEA Alarm Test
a. Set the PAW low alarm to the lowest setting.
b. 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.
c. Verify the following (high) peak pressure alarms activate:
• High Airway Pressure message appears on the screen.
• An alarm tone sounds.
• Inspiration ends and expiration begins as the pressure meets the high alarm limit.
d. Set the PAW high alarm limit set point to 65 (cmH
2
O).
e. Verify the alarms signals cease.
f. Set the PAW low alarm limit set point to 50 (cmH
2
O).
g. Verify the following (low) peak pressure alarms activate:
• Low Airway Pressure message appears on the screen.
• An alarm tone sounds.
h. Set the PAW low alarm limit to 12 (cmH
2
O).
i. Verify the alarm signals cease.
j. Press the MANUAL/AUTO key.
k. After 60 seconds, verify that:
• An alarm tone sounds.
• the alarm message “APNEA” is displayed on screen.