iVent201 Operator's Manual
231
7.4.2.9 VVT Completion
1. When the VVT has completed, a
System Message window will
indicate success or failure.
2. If the ventilator has failed the
VVT, verify that the flow sensor
and exhalation valve control
tubes are adequately mated to
the front panel luer fittings,
perform the calibration
procedure (Section 8.4.1, page
224) and repeat the test. If VVT
failure persists, contact your
authorized service facility.
Note: In the case that VVT fails, on each power up
the ventilator will post an alarm window that
indicates a VVT must be done before it is put into
use.
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