LTV 1150 - Page 115

p/n 18603-001, Rev. C LTV
®
1200/1150 Ventilator Service Manual Page 7-37
Symptoms Possible Causes What to Do
Electro static discharge
(ESD)
.
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.
Defective main board. Replace the main board. See Main Board
Assembly in Chapter 8 for instructions.
DEFAULTS alarm.
Event Log shows
DEFAULTS.
Defective memory board. Replace the memory board. See Memory
Board in Chapter 8 for instructions.
Total Breath Rate (f)
exceeds the set HIGH f
alarm values.
Check HIGH f alarm values. (See the LTV
®
1200 or the LTV
®
1150 Ventilator
Operator's Manual for instructions).
Patient Circuit leak, causing
auto cycling.
Do a Leak test and reseat or replace the
leaking parts or connections. (See
Leak Test in Chapter 2 for instructions).
Repeated HIGH f
alarms.
Internal problem with the
ventilator.
If problem reoccurs, immediately contact a
certified Pulmonetic Systems’ service
technician.
Monitored PEEP exceeds
the set HIGH PEEP alarm.
Check HIGH PEEP alarm value. (See the
LTV
®
1200 or the LTV
®
1150 Ventilator
Operator's Manual).
Patient circuit and/or
Exhalation valve occluded.
Disassemble, clean and reassemble the
Patient Circuit and Exhalation Valve. See
Cleaning the Exhalation Valve and
Reusable Patient Circuit in Chapter 4 for a
diagram of the exhalation valve assembly.
Repeated HIGH PEEP
alarms.
Internal problem with the
ventilator.
If problem reoccurs, immediately contact a
certified Pulmonetic Systems’ service
technician.
Defective or improper
connections.
Check the Remote Alarm cable connection
between the ventilator’s Patient Assist Port
and the Remote Alarm System. (See the
LTV
®
1200 or the LTV
®
1150 Ventilator
Operator's Manual).
Defective Remote Alarm
cable.
Replace Remote Alarm cable. (See the
LTV
®
1200 or the LTV
®
1150 Ventilator
Operator's Manual for instructions).
Defective Remote Alarm
System.
Contact Remote Alarm System
manufacturer or service personnel.
Remote Alarm
System does not work
with the ventilator.
Internal problem with the
ventilator.
Immediately contact a certified Pulmonetic
Systems’ service technician.
PNT ASSIST option set to
PULSE.
Set PNT ASSIST option to NORMAL. (See
the LTV
®
1200 or the LTV
®
1150 Ventilator
Operator's Manual).
Defective Remote Alarm
System.
Contact Remote Alarm System
manufacturer or service personnel.
Remote Alarm
System (single tone)
generates a pulsating
tone and
manufacturer’s
instructions indicate it
should be a
continuous tone.
Internal problem with the
ventilator.
Immediately contact a certified Pulmonetic
Systems’ service technician.