Power And Battery Operation - CareFusion LTV 1200 Service Manual

Power and Battery Operation

Problem
The ventilator does not
power up.
Vent Inop LED is on
and ventilator is not
ventilating.
p/n 18603-001, Rev. J
Possible Causes
Defective AC source or
adapter and depleted
internal battery.
Memory board JP3
connector jumper not
installed or not properly
installed.
Defective memory board.
Defective power board.
Defective main board.
Vent in Standby.
Ventilator was running on
internal battery and battery
became depleted.
Vent Inop.
Memory board JP3
connector jumper not
installed or not properly
installed.
Defective memory board.
Defective power board.
Defective main board.
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LTV 1200, 1150, and 1100 Ventilator Service Manual
What To Do
Connect the ventilator to a known good AC
source using a known good AC adapter.
Verify the power cord for the adapter is
fully seated. Allow the internal battery to
charge a minimum of 8 hours.
Install or reposition the Memory board JP3
connector jumper. See Memory Board in
Chapter 8 for instructions.
Reseat or replace the memory board. See
Memory Board in Chapter 8 for
instructions.
Replace the power board. See Power
Board Assembly in Chapter 8 for
instructions.
Replace the main board. See Main Board
Assembly in Chapter 8 for instructions.
After the vent has been turned off and the
external power is reconnected, the Vent
Inop LED is lit. This is normal. Press
On/Standby button to turn ventilator on.
Connect ventilator to good external power
source.
Power up the vent and check the EVENT
TRACE for events indicating the reason for
Vent Inop. See the LTV
1100 Ventilator Operator's Manual for
information on reading the event trace.
Install or reposition the Memory board JP3
connector jumper. See Memory Board in
Chapter 8 for instructions.
Reseat or replace the memory board. See
Memory Board in Chapter 8 for
instructions.
Replace the power board. See Power
Board Assembly in Chapter 8 for
instructions.
Replace the main board. See Main Board
Assembly in Chapter 8 for instructions.
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1200, 1150, or
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