CareFusion LTV 1200 Service Manual page 115

Symptoms
Remote Alarm System
(dual tone system)
only generates one
continuous tone.
Patient Assist Call
System does not work
with the ventilator.
Patient Assist Call
System generates a
pulsating tone or light
and manufacturers
instructions indicate it
should be a
continuous tone or
light.
Repeated SBT > f
alarms.
Repeated SBT < f
alarms.
Page 7-38
Possible Causes
PNT ASSIST option set to
NORMAL.
Defective Remote Alarm
System.
Internal problem with the
ventilator.
Incorrect Patient Assist
cable installed (Normally
Open versus Normally
Closed system/cable
mismatch)
Defective or improper
connections.
Defective Patient Assist
cable.
Defective Patient Assist
Call System.
Internal problem with the
ventilator.
PNT ASSIST option set to
PULSE.
Defective Patient Assist
Call System.
Internal problem with the
ventilator.
Total Breath Rate (f)
exceeds the set SBT > f
alarm value.
Patient Circuit leak, causing
auto cycling.
Internal problem with the
ventilator.
Total Breath Rate (f) is less
than the set SBT < f alarm
value.
Patient Circuit leak.
®
LTV 1200, 1150, and 1100 Ventilator Service Manual
What to Do
Set PNT ASSIST option to PULSE. (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.
Establish whether the Patient Assist Call
System is a Normally Open or Normally
Closed system and verify the appropriate
Patient Assist Cable (Normally Open or
Normally Closed) is installed. (See the
®
LTV
1200, 1150, or 1100 Ventilator
Operator's Manual for instructions).
Check the Patient Assist Cable connection
between the ventilator's Patient Assist Port
and the Patient Assist Call System. (See
®
the LTV 1200, 1150, or 1100 Ventilator
Operator's Manual for instructions).
Replace Patient Assist Cable.
Contact Patient Assist Call 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 for instructions).
Contact Patient Assist Call System
manufacturer or service personnel.
Immediately contact a certified CareFusion
service technician.
Check SBT > f alarm value. (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 the
®
LTV 1200, 1150, or 1100 Ventilator
Operator's Manual for instructions).
If problem reoccurs, immediately contact a
certified CareFusion service technician.
Check SBT < f alarm value. (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).
®
®
p/n 18603-001, Rev. J