Chapter 8
Performance Verification
1049766 Rev A V60 Ventilator Service Manual 8-41
8.7.6 Test 6: Oxygen Flow Accuracy
8.7.7 Test 7: Oxygen Accuracy
8.7.8 Test 8: S/T Performance
Symptom Recommended Repair
Measured oxygen
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
oxygen in STP mode.
3.Check that nothing is obstructing the ventilator gas
outlet port.
4.If oxygen flow sensor reading is not within limits as
compared to the calibration analyzer, replace the
flow sensor assembly.
5.Slave in a different oxygen flow sensor to DA PCBA
cable.
6.Replace the DA PCBA.
Symptom Recommended Repair
The measured
oxygen percentage
is out of range
1.Check that test oxygen monitor is calibrated.
2.Verify that the external oxygen sensor is oriented with
cable connector on top.
3.Replace the external oxygen sensor and retest.
4.Replace the oxygen solenoid valve.
Symptom Recommended Repair
IPAP and EPAP
outside acceptable
value
1.Verify correct test setup.
2.Check for leaks at circuit connections, test lung,
analyzer, etc.
3.Replace DA PCBA.
4.Replace MC PCBA.
5.Replace CPU PCBA.
To Next Page
Loading...
