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NOTE: If only one source of oxygen supply
pressure (either cylinders or pipeline) fails
while the other maintains proper supply
pressure within the machine's oxygen supply
lines, the oxygen supply pressure alarm will
not activate.
Battery Test
The operator must test the backup battery
system daily. To test the battery ensure that
the SYSTEM POWER switch on the main
switch panel is in the "ON" position. Then
press and hold the "BATTERY TEST"
button on the main switch panel. If the
battery has been charged to normal
operating potential, the green indicator light
comes on when the BATTERY TEST button
is pressed. Any time that the battery
potential drops below the normal operating
threshold, the yellow "BATTERY LOW"
indicator comes on, whether the "BATTERY
TEST" button has been pressed or not.
NOTE: Do not rely only on the "BATTERY
LOW" indicator for an assessment of battery
capacity. If the backup battery becomes
completely depleted and the machine does
not have AC power, the "BATTERY LOW"
indicator will have no source of power and
will
not
function.
remember to perform the daily battery test.
AC Power Failure Indicator
The yellow "AC POWER FAIL" LED signals
AC power disruption. The LED illuminates
whenever the battery supplies power to the
monitoring system and the electronic
ventilator. A single tone also sounds when
AC power is first disrupted. If the
anesthesia machine's backup battery is
completely discharged, the AC power failure
indicator will not be supplied with the power
and will not function.
Therefore,
always
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MAIN SWITCH PANEL (continued)
System Power Switch
The SYSTEM POWER switch of the
NARKOMED
3
has
"STANDBY" and "ON". In the "ON" position,
the SYSTEM POWER switch actuates all
gas and electric power. In the "STANDBY"
position, the switch shuts down the alarm
system and the gas supplies.
The SYSTEM POWER switch must be
depressed
when
turning
inadvertent disengagement. A green LED
indicator adjacent to the switch remains lit
when the switch is in "ON" position and
supplying power to the machine. Also, a
single brief tone sounds when the switch is
turned to the "ON" position.
Regardless of the switch setting, the battery
charging circuit and convenience receptacles
are activated whenever the power cable is
attached to an active wall receptacle. To
prevent drainage of the backup battery and
waste or depletion of the oxygen supply
through the minimum oxygen flow, the
SYSTEM POWER switch must be turned to
the "STANDBY" position whenever the
machine is not in use.
System Power Switch Failure Alarm
A steady, high-pitched audible alarm
activates if the NARKOMED 3 pneumatic
circuitry is pressurized by the SYSTEM
POWER switch, but a malfunction in the
switch prevents activation of the monitoring
system. The alarm is produced by a speaker
located on the power supply controller.
There is no visual indicator associated with
the SYSTEM POWER switch failure alarm.
Flowmeter Lights
The SYSTEM POWER switch controls the
lights for the flowmeter panel. When the
switch is turned to the "ON" position, the
flowmeter lights come on.
two
positions:
to
prevent
27
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