CareFusion LTV 1200 Service Manual page 114

Symptoms
DEFAULTS alarm.
Event Log shows
DEFAULTS.
Repeated HIGH f
alarms.
Repeated HIGH PEEP
alarms.
Remote Alarm
System does not work
with the ventilator.
Remote Alarm
System (single tone)
generates a pulsating
tone and
manufacturer's
instructions indicate it
should be a
continuous tone.
p/n 18603-001, Rev. J
Possible Causes
Electro static discharge
.
(ESD)
Defective main board.
Defective memory board.
Total Breath Rate (f)
exceeds the set HIGH f
alarm values.
Patient Circuit leak, causing
auto cycling.
Internal problem with the
ventilator.
Monitored PEEP exceeds
the set HIGH PEEP alarm.
Patient circuit and/or
Exhalation valve occluded.
Internal problem with the
ventilator.
Defective or improper
connections.
Defective Remote Alarm
cable.
Defective Remote Alarm
System.
Internal problem with the
ventilator.
PNT ASSIST option set to
PULSE.
Defective Remote Alarm
System.
Internal problem with the
ventilator.
®
LTV 1200, 1150, and 1100 Ventilator Service Manual
What to Do
Some or all control settings were found to
be invalid or out of range on power up and
were restored to the default settings.
Clear the alarm. Reduce static causing
conditions in the operating environment.
Replace the main board. See Main Board
Assembly in Chapter 8 for instructions.
Replace the memory board. See Memory
Board in Chapter 8 for instructions.
Check HIGH f alarm values. (See the LTV
1200, 1150, or 1100 Ventilator Operator's
Manual for instructions).
Run a Leak test and reseat or replace the
leaking parts or connections. (See Leak
Test in Chapter 2 for instructions).
If problem reoccurs, immediately contact a
certified CareFusion service technician.
Check HIGH PEEP alarm value. (See the
®
LTV 1200, 1150, or 1100 Ventilator
Operator's Manual).
Disassemble, clean and reassemble the
Patient Circuit and Exhalation Valve. See
Cleaning the Reusable Exhalation Valve
and Patient Circuit in Chapter 4 for a
diagram of the exhalation valve assembly.
If problem reoccurs, immediately contact a
certified CareFusion service technician.
Check the Remote Alarm cable connection
between the ventilator's Patient Assist Port
and the Remote Alarm System. (See the
®
LTV 1200, 1150, or 1100 Ventilator
Operator's Manual).
Replace Remote Alarm cable. (See the
®
LTV 1200, 1150, or 1100 Ventilator
Operator's Manual for instructions).
Contact Remote Alarm System
manufacturer or service personnel.
Immediately contact a certified CareFusion
service technician.
Set PNT ASSIST option to NORMAL. (See
®
the LTV 1200, 1150, or 1100 Ventilator
Operator's Manual).
Contact Remote Alarm System
manufacturer or service personnel.
Immediately contact a certified CareFusion
service technician.
®
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