LTV 1100 Operator Manual - CareFusion
LTV 1100 Operator Manual - CareFusion
LTV 1100 Operator Manual - CareFusion
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Symptoms Possible Causes What to Do<br />
continued…<br />
Monitored volume is<br />
high.<br />
Delivered volume is<br />
high.<br />
Delivered volume is<br />
twice the set<br />
volume.<br />
Monitored volume is<br />
low.<br />
Delivered volume is<br />
low.<br />
Low side sense line or<br />
elbow at patient wye<br />
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 />
Sense lines are<br />
reversed.<br />
Failed autozero.<br />
Failed calibration or<br />
internal problem with<br />
the ventilator.<br />
VHome setting does<br />
not match flow valve.<br />
Circuit leak.<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 />
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 />
The sense lines are not designed to be removed<br />
from either the wye or the luer fittings. If the<br />
sense lines have been removed and replaced<br />
incorrectly, they may not seal correctly when<br />
replaced. Replace the patient wye and sense<br />
lines with a known good assembly.<br />
Perform an autozero under XDCR ZERO. See<br />
page 10-27 for more information.<br />
Immediately contact a certified <strong>CareFusion</strong><br />
service technician.<br />
Immediately contact a certified <strong>CareFusion</strong><br />
service technician.<br />
Do a leak test and reseat or replace the leaking<br />
parts or connections. See page 11-8 for<br />
instructions.<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 />
21106-001 Rev. E <strong>Operator</strong>’s <strong>Manual</strong> - <strong>LTV</strong> ® <strong>1100</strong> Ventilator 15-7