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POWER SUPPLY (continued)
Backup Battery Operating Instructions
To prevent premature battery failure,
backup battery power must be used only
during interruption of primary AC power.
No anesthetic procedure shall be started
using an anesthesia machine if the yellow
"AC POWER FAIL" indicator light or the
yellow "BATTERY LOW" indicator light is
illuminated.
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
(Figure 14). A green BATTERY TEST light
indicates that power is available to operate
the electrical components of the anesthesia
machine, but it does not indicate how long
this power will be provided. This depends
on the duration of previous battery use and
recharging.
Machine Functions While on Backup
Battery Power
If the hospital's primary AC power fails,
the backup battery system works in three
stages:
1. For approximately the first five minutes
of battery
activation, the
powers all machine functions (including
the two display screens), except the AC
convenience
receptacles
MULTISPEC. The operator is alerted to
this condition with the following:
The yellow "AC POWER FAIL"
indicator
on
machine's alarm panel illuminates.
The alarm message "AC PWR
FAIL" appears in the central alarm
display.
A single-tone audible alarm sounds.
The Error Code "E07" appears in
the
MULTISPEC
display window.
24
battery
and
the
the
anesthesia
front
panel
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2. In the second stage, to preserve the
battery for vital machine functions,
power to the display screens and
SPHYGMOMED is discontinued, and
power is supplied only to the following
m a c h i n e
f u n c t i o n s :
BAROMED, O
SATMED, SPIROMED,
2
the main switch panel, and the AV-E
ventilator. The battery will power the
machine in this state for at least 10
additional minutes.
The "AC POWER FAIL" alarm panel
indicator continues to alert the operator
of the AC failure condition, but since
power to the display screens has been
discontinued, no alarm messages can be
displayed. At the beginning of the
second stage, the yellow "BATTERY
LOW" main switch panel indicator
illuminates, and remains illuminated
until the third stage. Also, the Error
C o d e
" E 0 7 "
SPHYGMOMED front panel display
window.
3. In the third stage (when the battery
voltage drops to 10 volts), all electrical
power to the anesthesia machine is
automatically cut off to prevent deep
discharge
of
the
discharge damages lead-acid batteries.)
At this point, all gas supply systems
remain
operative.
battery power has been cut off, the AV-
E ventilator is inoperative, and manual
ventilation by bag squeezing must be
performed. In this final stage, the
anesthesia machine cannot provide
monitoring or alarm functions until it is
reconnected to an active AC power
source.
NOTE: If the NARKOMED 3 is left
with its power cable not plugged into an
active AC wall outlet for a period of
seven days or more, the backup battery
may become depleted. In this instance,
the power cable must be plugged into
an active AC outlet and the battery
must be allowed to charge for at least
16 hours.
O
M E D ,
2
a p p e a r s
i n
t h e
battery.
(Deep
However,
since
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