Displays And Buttons - CareFusion LTV 1200 Service Manual

looking for under one section, you may find it listed under another. You may also be able to
diagnose the problem by reading sections with related symptoms. For information on
resolving problems that are not listed here, contact CareFusion using the contact
information at the front of this manual.

Displays and Buttons

Some of the symptoms listed in this section are part of the normal operation of the ventilator
and do not indicate a problem with the ventilator. They are included for information only.
Symptoms
Pressure Control
display flashing.
Pressure Support
display flashing.
High Pres Limit
display flashing.
Low Pressure
display flashing.
Page 7-2
Possible Causes
Pressure control breath
terminated by flow - PC
FLOW TERM is set to on.
Pressure support breath
terminated by time - set
under TIME TERM.
HIGH PRES alarm
occurred.
LOW PRES alarm
occurred.
®
LTV 1200, 1150, and 1100 Ventilator Service Manual
What to Do
Pressure control breaths are normally
terminated when the set inspiratory time
expires. Flow termination of pressure
control breaths is allowed when PC FLOW
TERM is set to ON (See the LTV
1150, or 1100 Ventilator Operator's
Manual for an explanation of this feature).
When a pressure control breath is
terminated by flow instead of time, the
Pres. Control display is flashed.
Pressure support breaths are normally
terminated when the flow drops below the
set percentage of the peak flow. Pressure
support breaths may also terminate on
time when the variable time limit is
reached before the flow drops to the set
®
level. (See the LTV 1200, 1150, or 1100
Ventilator Operator's Manual for an
explanation of the FLOW TERM and TIME
TERM features). When a pressure support
breath is terminated based on time, the
Pres. Support display is flashed.
The High Pres Limit display is flashed
and the HIGH PRES message is
displayed when a high pressure alarm
occurs. The display will continue to flash
even after the condition clears. (See the
®
LTV 1200, 1150, or 1100 Ventilator
Operator's Manual for an explanation of
the HIGH PRES alarm feature.)
Check high and low pressure sense lines
to be sure they are correctly attached and
securely seated at both the ventilator and
wye ends.
The Low Pressure display is flashed and
the LOW PRES message is displayed
when a low pressure alarm occurs. The
display will continue to flash even after the
condition clears. (See the LTV
1150, or 1100 Ventilator Operator's
Manual for an explanation of the LOW
PRES alarm feature.)
®
1200,
®
1200,
p/n 18603-001, Rev. J