LTV 1100 Operator Manual - CareFusion

Symptoms Possible Causes What to Do
Ventilator is running
but displays are
turned off.
A control doesn't
operate.
Set Value knob
doesn't operate.
Can’t unlock the
controls.
LMV OFF is
displayed.
Displays are blanked
while on battery power.
Internal problem with
the ventilator.
Control not active in
selected mode.
Controls are locked.
Control is not selected.
Controls are limited.
Internal problem with
the ventilator.
Hard unlock method
selected under CTRL
UNLOCK.
Low Minute Volume
alarm is turned off.
To conserve battery life while running from the
internal battery, most of the displays are turned
off when no changes are made to the control
settings for 60 seconds. To turn the displays
back on, touch any control or button or turn the
Set Value knob.
Do a display test (see page 11-4 for instructions.)
If the display or LED does not illuminate,
immediately contact a certified CareFusion
service technician.
If a control is dimmed, it is not active in the
currently selected mode and changing it's setting
does not affect ventilation. (See page 5-4 for an
explanation of Bright, Dim and Blank Control
Displays.)
If the controls are locked, a LOCKED message
will be displayed when a control is selected.
To unlock in EASY mode, push the Control
Lock button. To unlock in HARD mode, push
and hold the Control Lock button for 3 seconds.
(See page 10-14 for an explanation of the CTRL
UNLOCK feature and Control Lock button.)
Before a control value can be changed, the
control must be selected. To select a control,
push the associated button. When a control is
selected it is displayed at normal intensity and all
other controls are dimmed. (See page 5-2 for an
explanation of how to use the controls.)
A control's value may be limited by the current
settings of other controls. To change the value of
the current control, change the value of the
flashing controls. (See page 5-5 for an
explanation of Control Limiting.)
Do a control test (see page 11-6 for instructions).
If the control does not operate, immediately
contact a certified CareFusion service technician.
Two unlock methods are available on the LTV ®
ventilator: (See pages 5-6 and 10-14 for an
explanation of CTRL UNLOCK.)
To unlock in EASY mode, push the Control
Lock button. To unlock in HARD mode, push
and hold the Control Lock button for 3 seconds.
This is an informational message only (see
Chapter 9 - LMV OFF for an explanation of this
feature).
21106-001 Rev. E Operator’s Manual - LTV ® 1100 Ventilator 15-3