Chapter 8
8-40 V60 Ventilator Service Manual 1049766 Rev A
Performance Verification
8.7.4 Test 4: Pressure Accuracy
8.7.5 Test 5: Air Delivery/Flow Accuracy
Symptom Recommended Repair
Average machine or
proximal pressure
readings out of
range
1.Verify that the internal exhalation port orifice is
plugged.
2.Check for leaks at circuit connections, calibration
analyzer, filters, etc.
3.Check for kinked or cut tubing from GDS to gas
outlet port, and from the gas outlet port to the base.
4.Check for kinked or cut rubber boots from the GDS to
the blower, and from the blower to the gas outlet
port.
5.Check for leaks at the solenoid valves and pressure
transducers.
6.Replace the DA PCBA.
Symptom Recommended Repair
Measured air flow
values out of range
1.Verify that the internal exhalation port orifice is
plugged.
2.Verify that the calibration analyzer is set to measure
air in STP mode.
3.Check that nothing is obstructing the ventilator gas
outlet port.
4.If air flow sensor reading is not within limits as
compared to the calibration analyzer, replace the
flow sensor assembly.
5.Slave in a different air flow sensor to data acquisition
cable.
6.Replace the DA PCBA.
To Next Page
Loading...
