180
Figure 157: VVT Not Passed Pop-Up Window
Immediately perform the VVT, as described below.
WARNING Never perform the Ventilator Verification Test while a patient is
connected to the ventilator.
System buzzers (two)
Patient pressure measurement and pressure performance
Blower pressure measurement
Transducer tubes leak
Motor speed measurement
Positive relief valves
Solenoid valves (two)
Flow performance
Flow zeroing accuracy
21% FiO2
Pressure switch status at 21%
Demand Valve leak
100% FiO2
Pressure Switch status at 100%
Battery status
Motor watchdog safety device
PC watchdog safety device
Required Equipment and Supplies:
Plug for blocking the breathing circuit