LTV 1200 Operator's Manual - CareFusion Emergency Preparedness
LTV 1200 Operator's Manual - CareFusion Emergency Preparedness
LTV 1200 Operator's Manual - CareFusion Emergency Preparedness
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Symptoms Possible Causes What to Do<br />
Delivered pressure is<br />
high.<br />
Monitored pressure is<br />
high.<br />
Delivered pressure<br />
increases towards<br />
end of inspiration.<br />
Delivered flow is high.<br />
Delivered flow is low.<br />
Bias flow is 20 lpm or<br />
5 lpm instead of 10<br />
lpm.<br />
Diaphragm is<br />
incorrectly seated in<br />
exhalation valve.<br />
High or low side sense<br />
line or elbow at patient<br />
wye loose or leaking.<br />
High or low sense lines<br />
are occluded.<br />
High or low sense ports<br />
in the wye are<br />
occluded.<br />
Open the exhalation valve and remove the<br />
diaphragm. Reseat the diaphragm and snap the<br />
exhalation valve in place. See page 13-10 for a<br />
diagram of correct exhalation valve assembly.<br />
Check high and low pressure sense lines to be<br />
sure they are correctly attached and securely<br />
seated at both the ventilator and wye ends.<br />
Check the luer fitting connections for leaks.<br />
Check the elbow connectors at the wye to be<br />
sure they have not loosened or been broken<br />
loose.<br />
Verify lines are not occluded or pinched.<br />
Check the exhalation drive line at both the<br />
ventilator and exhalation valve ends. Verify the<br />
line is securely seated and not leaking.<br />
Failed autozero. Perform an autozero under XDCR ZERO. See<br />
page 10-28 for more information.<br />
Failed calibration or<br />
internal problem with<br />
the ventilator.<br />
VHome setting does<br />
not match flow valve.<br />
Disconnected<br />
Exhalation Drive Line.<br />
Leaks in the Patient<br />
Circuit.<br />
Immediately contact a certified Pulmonetic<br />
Systems’ service technician.<br />
Immediately contact a certified Pulmonetic<br />
Systems’ service technician.<br />
Verify lines are not occluded or pinched.<br />
Check the exhalation drive line at both the<br />
ventilator and exhalation valve ends. Verify the<br />
line is securely seated and not leaking.<br />
Failed autozero. Perform an autozero under XDCR ZERO. See<br />
page 10-28 for more information.<br />
Failed calibration or<br />
internal problem with<br />
the ventilator.<br />
VHome setting does<br />
not match flow valve.<br />
Immediately contact a certified Pulmonetic<br />
Systems’ service technician.<br />
Immediately contact a certified Pulmonetic<br />
Systems’ service technician.<br />
Page 15-10 <strong>LTV</strong> ® <strong>1200</strong> Ventilator Operator’s <strong>Manual</strong><br />
p/n 18247-001, Rev. G
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