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.
ï‚· System buzzers (two)
ï‚· Patient pressure measurement and pressure performance
ï‚· Blower pressure measurement
ï‚· Transducer tubes leak
ï‚· Motor speed measurement
ï‚· Positive relief valves
ï‚· Solenoid valves (two)
ï‚· Flow performance
ï‚· Flow zeroing accuracy
ï‚· 21% FiO2
ï‚· Pressure switch status at 21%
ï‚· Demand Valve leak
ï‚· 100% FiO2
ï‚· Pressure Switch status at 100%
ï‚· Battery status
ï‚· Motor watchdog safety device
ï‚· PC watchdog safety device
Required Equipment and Supplies:
ï‚· Plug for blocking the breathing circuit