Mindray Datascope AS 3000, Service Manual

Page: 171 / 180

Preoperative Checklist Periodic Maintenance
6 - 44 0070-10-0683 AS3000™ Service Manual
19. Test the Tidal Volume in the PCV ventilation mode:
a. Set the O
2
flow to 2 L/min and set the N
2
O and AIR flow rates to minimum flow.
b. Set the ventilator controls to:
c. Select PCV to begin ventilation.
d. Verify that the PEAK Pressure settles within ±4 of the set value within 3 breaths.
e. Re-activate CMV ventilation mode.
20. Low FiO
2
Alarm Test
a. Set the low FiO
2
Alarm limit to 50% O
2
.
b. Set the AIR flow control valve to 5 L/min.
c. Set the FiO
2
flow controller to minimum flow.
d. Verify the following Low FiO
2
alarm signals activate, within three ventilation cycles:
• Low FiO
2
message appears on the screen.
• An alarm tone sounds.
e. Set the Low FiO
2
alarm limit to 18%.
• Verify the alarm signals stop activating.
21. High FiO
2
Alarm Test
a. Set the high FiO
2
Alarm limit to 49% O
2
.
b. Set the FiO
2
flow control valve to 5 L/min.
c. Set the AIR flow controller to minimum.
d. Verify the following High FiO
2
alarm signals activate:
• High FiO
2
message appears on the screen.
• An alarm tone sounds.
e. Set the high FiO
2
alarm limit to the max setting.
• Verify the alarm signals stop activating.
ATTRIBUTE SETTING
Patient Type Adult
Ventilation Mode PCV
Target Pressure - P
TARGET
20
Breathng Rate - freq 8
I:E Ratio - I:E 1:2
PEEP - PEEP Off
Inspiratory Slope - Tslope 0.5