Checkout Test Failures - CareFusion LTV 1200 Service Manual

Checkout Test Failures

Symptoms
ALARM Test
Audible alarm too loud.
ALARM Test
Audible alarm too soft.
ALARM Test
Alarm does not sound.
Alarm Test
Confirming audible
chirp does not sound.
Display Test
A display or LED does
not illuminate.
Page 7-40
Possible Causes
Alarm volume set too high.
Alarm volume set too low.
Defective alarm sounder.
Alarm sounder blocked.
Alarm sounder blocked.
Alarm sounder
disconnected.
Defective alarm sounder.
Defective power board.
Audible alarm did not sound
long enough before test
was terminated.
Defective power board.
Misaligned LED.
Defective LED or display.
Defective main board.
®
LTV 1200, 1150, and 1100 Ventilator Service Manual
What to Do
Set the alarm volume under the Extended
Features Menu. (See the LTV
1150, or 1100 Ventilator Operator's Manual
for an explanation of the ALARM VOL
feature.)
Set the alarm volume under the Extended
Features Menu. (See the LTV
or 1100 Ventilator Operator's Manual for
an explanation of the ALARM VOL
feature.)
Replace the alarm sounder. (See page 8-
55 for instructions).
Check the alarm sounder opening in the
right side of the ventilator to verify the
opening is not blocked.
Check the alarm sounder opening in the
right side of the ventilator to verify the
opening is not blocked.
Open the back of the ventilator and verify
the alarm sounder is properly connected.
(See page 8-55 for instructions).
Replace the alarm sounder. (See page 8-
55 for instructions).
Replace the power board. (See Power
Board Assembly in Chapter 8 for
instructions).
Repeat the Alarm Test and allow audible
alarm to sound for at least 2 seconds
before pushing the Select button.
Replace the power board. (See Power
Board Assembly in Chapter 8 for
instructions)
If displays are operating but misaligned,
remove the main board and realign the
LEDs or displays. See Main Board
Assembly in Chapter 8 for instructions.
If a display is not operating during the
display test, replace the main board. See
Main Board Assembly in Chapter 8 for
instructions.
®
1200,
®
1200, 1150,
p/n 18603-001, Rev. J