CareFusion LTV 1200 Service Manual page 273

2) Perform a Battery Duration/Battery Charge test
A) Operate unit from its internal battery
until it shuts down. Confirm Vent
Inop LED is lit and audible alarm is
sounding. Connect external power,
clear alarms and allow the unit to
operate normally and charge the
battery for a minimum of 8 hours.
B) With this charged battery, remove
external power, clear the POWER
LOST alarm and allow ventilator to
operate continuously, using the
following settings:
Mode: Volume, Assist/Ctrl
Breath Rate: 15
Tidal Volume: 800
Insp. Time: 1.5 sec
PEEP: 5
C) With ventilator ON, disconnect the
internal battery. Confirm Vent Inop
LED is lit and alarm is sounding.
Reconnect external power (AC
adapter) and clear Reset alarm.
D) Reconnect the internal battery.
3) Perform an External Power test.
A) Continue with the external AC
adapter connected to the ventilator.
B) Remove external power, clear
POWER LOST alarm. Connect an
external DC power source with a
voltage between 14.8V and 15.0V,
using the external battery test cable.
C) Slowly reduce the external DC
voltage until the External Power
LED shows amber.
D) Slowly reduce the external DC
voltage until the External Power
LED extinguishes.
83
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.
Page 9-14
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LTV 1200, 1150, and 1100 Ventilator Service Manual
83
.

BAT LOW, BAT EMPTY, and Vent Inop
alarms sound

When the unit shuts down confirm Vent Inop
LED is lit and Vent Inop alarm sounds

Battery Level LED is green upon
removing external power.

Unit must operate continuously for a
minimum of 40 minutes.

Charge Status LED is red.

Charge Status LED is flashing amber for a
few minutes (maximum 1 hour), and then
goes solid amber.

Ventilator runs normally.

External Power LED shows green.

Charge Status LED is lit or flashing.

Ventilator runs normally.

External Power LED shows green.

Charge Status LED is lit or flashing.

Ventilator runs normally.
 External voltage is 11.0V  0.220 (2%)

Charge Status LED is lit or flashing.

A POWER LOW alarm occurs.

Audible alarm sounds.

Ventilator runs normally.
 External voltage is 9.5V  0.190 (2%)

Charge Status LED is off.

A POWER LOST alarm occurs.

Audible alarm sounds.

Battery Level LED is lit.
p/n 18603-001, Rev. J