Performance verification
Puritan Bennett™ 700 Series Ventilator System Service Manual
10070389 Rev. A
5-19
15.
Tidal volume out of range
a.
Verify test equipment used is calibrated and working correctly.
b.
Verify ventilator settings are correct.
c.
Verify all tubing connections are secure, check tubing and test lung for leaks, and
verify setup is correct.
d.
Rerun SST.
e.
Using
Sensor data
function in service menu, verify atmospheric pressure (P
a
) is
correct. If atmospheric pressure transducer reading is incorrect, replace pressure
transducer PCB.
f.
Rerun EST, making sure Piston leak test passes. If test fails, replace cylinder inlet
check valve.
16.
Respiratory rate out of range
a.
Verify test equipment used is calibrated and working correctly.
b.
Verify ventilator settings are correct, particularly TRIGGER SENSITIVITY is set to
10 L/min.
c.
Rerun SST.
17.
PEEP reading out of range
a.
Verify test equipment used is calibrated and working correctly.
b.
Verify ventilator settings are correct.
c.
Verify all tubing connections are secure, and check tubing and test lung for leaks.
d.
Rerun SST.
e.
Recalibrate PEEP pump.
f.
Replace PEEP pump inlet filter.
g.
Replace PEEP pump.
18.
Oxygen accuracy test failed
NOTE:
Verify the oxygen analyzer is calibrated and working correctly.
a.
Make sure oxygen source pressure is between 40 and 90 psi (275 to 620 kPa).
b.
Verify ventilator settings are correct.
c.
Verify all tubing connections are secure, and check tubing and test lung for leaks.
d.
Perform oxygen sensor calibration check.
e.
Replace oxygen sensor.
f.
Recalibrate oxygen regulator pressure sensor.
g.
Replace oxygen regulator assembly.
h.
Replace pressure solenoid PCB.
Summary of Contents for Puritan Bennett 700 Series
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