Pulmonetic Systems LTV 950 - Power Lost

Page 9-22 LTV
®
Series ventilator Operator’s Manual
p/n 10664, Rev. Y
POWER LOST
When the ventilator operates on external power and switches to the internal battery, the POWER
LOST alarm is generated. The change to internal battery is made when the external power voltage
drops below the usable level. There is no interruption in ventilation.
When a POWER LOST alarm occurs:
• The POWER LOST message is flashed in the display window.
• The External Power and Charge Status LEDs are turned off.
• The Battery Level LED is lit showing the internal battery charge level.
• The ventilator begins operating from the internal battery.
• The audible alarm is sounded.
• After 60 seconds, the displays are turned off to conserve battery power.
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To reset the POWER LOST alarm:
1) Push the Silence / Reset button twice
.
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To turn the displays on, push any button or turn the Set Value knob.