p/n 18603-001, Rev. C LTV
®
1200/1150 Ventilator Service Manual Page 7-29
Power and Battery Operation
Problem Possible Causes What To Do
Defective AC source or
adapter and depleted
internal battery.
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.
Memory board JP3
connector jumper not
installed or not properly
installed.
Install or reposition the Memory board JP3
connector jumper. See Memory Board in
Chapter 8 for instructions.
Defective memory board. Reseat or replace the memory board. See
Memory Board in Chapter 8 for
instructions.
Defective power board. Replace the power board. See Power
Board Assembly in Chapter 8 for
instructions.
The ventilator does not
power up.
Defective main board. Replace the power board. See Main Board
Assembly in Chapter 8 for instructions.
Vent in Standby. 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.
Ventilator was running on
internal battery and battery
became depleted.
Connect ventilator to good external power
source.
Vent Inop. Power up the vent and check the EVENT
TRACE for events indicating the reason for
Vent Inop. See the LTV
®
1200 or the LTV
®
1150 Ventilator Operator's Manual for
information on reading the event trace.
Memory board JP3
connector jumper not
installed or not properly
installed.
Install or reposition the Memory board JP3
connector jumper. See Memory Board in
Chapter 8 for instructions.
Defective memory board. Reseat or replace the memory board. See
Memory Board in Chapter 8 for
instructions.
Defective power board. Replace the power board. See Power
Board Assembly in Chapter 8 for
instructions.
Vent Inop LED is on
and ventilator is not
ventilating.
Defective main board. Replace the main board. See Main Board
Assembly in Chapter 8 for instructions.
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