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 />
Delivered pressure is<br />
low, PEEP is low,<br />
ventilator is<br />
autocycling.<br />
Delivered pressure is<br />
low.<br />
Monitored pressure is<br />
low.<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 />
Exhalation drive line<br />
leaking or loose.<br />
Exhalation valve<br />
leaking during<br />
inspiration.<br />
Sense lines are<br />
reversed.<br />
Leak Compensation is<br />
not on.<br />
Failed autozero.<br />
Failed calibration or<br />
internal problem with<br />
the ventilator.<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 />
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 />
Verify the exhalation valve is not leaking during<br />
inspiration. If it is leaking, open the exhalation<br />
valve and remove the diaphragm. Reseat the<br />
diaphragm. See page 13-8 for a diagram of<br />
correct exhalation valve assembly.<br />
If necessary, replace the exhalation diaphragm,<br />
or exhalation valve with a new one.<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 />
Verify that the Leak Compensation extended<br />
features option is set to On (default setting is on).<br />
See page 10-12 for instructions.<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 />
21106-001 Rev. E <strong>Operator</strong>’s <strong>Manual</strong> - <strong>LTV</strong> ® <strong>1100</strong> Ventilator 15-9
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