CareFusion LTV 1100, Service Manual

Page: 283 / 352

Page 9-24 LTV
®
1200, 1150, and 1100 Ventilator Service Manual p/n 18603-001, Rev. J
D) Turn the PPin solenoid off. Set
the turbine speed to 10 and
monitor the
PPP transducer
reading.

Leakage rate must be ≤ 1 cmH
2
O within
one minute

The PPP value under the RT XDCR DATA
menu must be

0.5 cmH
2
O of the
measured pressure
E) Turn the PPout solenoid off. 
Pressure at the exhalation drive port must
be 0.0

0.1 cmH
2
O.
F) Set SERVO to OFF. Apply 15

0.5 cmH
2
O to the high flow
XDCR port, and turn the Apres
solenoid on. After reading, turn
the
Apres solenoid off.

AP and FDw display must read 0

0.5
cmH
2
O after activating the solenoid.
G) Apply and maintain 15

0.5
cmH
2
O pressure to the low and
high flow XDCR port, turn the
Purge solenoid on for 3 sec, and
then turn it off.

FDw display must read 0 ± 0.5 cmH
2
O
before and after activating the solenoid.
H) Apply 15

0.5 cmH
2
O to both
the low and high flow XDCR
ports, and turn the
ExhDiffP
solenoid on. After reading, turn
the
ExhDiffP solenoid off.

FDw display must read 0

0.5 cmH
2
O
before activating the solenoid and must
equal
AP

0.5 cmH
2
O after.
I) Apply and maintain 15 cmH
2
O
pressure to the high flow XDCR
port.

FDw display must read 15

0.5 cmH
2
O.
10) Perform a Watchdog test
89
.
A) Unit under test:
AC adapter
Patient circuit
attached
Test lung(s) attached
B) Navigate to WDOG TEST under
the VENT MTNCE menu and
press Select .

Ventilator powers down, powers up,
and successfully performs POST

Ventilator alarms, constant audible
alarm and flashes RESET alarm

Clear alarms
89
It is normal for a RESET alarm to occur at the conclusion of POST after performing the Watchdog test, Battery
Duration test, or any other test that which causes the ventilator to go inoperative (other than pressing and
holding the On/Standby button). Press the Silence/Reset button twice to clear the alarm.