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UNDERSTANDING THE LIGHT, HORN, AND DISPLAY PATTERNS
Hor
n Display
Condition
LED
NORMAL AC POWER
LED is Green.
BA
TTERY BACK-UP POWER Red LED is flashing once every 45
seconds.
DURING TESTING
LED flashes Red in sync with the
horn, simulating an Alarm condition.
LOW OR MISSING BATTERY Green LED On if AC power is present
CARBON MONOXIDE ALARM
LED flashes Red in sync with horn
MALFUNCTION SIGNAL LED flashing Red 3 times in sync
with 3 rapid chirps
LOW BATTERY SILENCE LED is Green.
PRE-ALARM CONDITION
CO IS PRESENT
Green power LED On if AC power is
pr
esent
Silent
Flashing battery icon.
The CO alarm horn pattern
(4 beeps, pause, 4 beeps) is issued.
During the simulated
CO alarm, “CO” is
displayed along with
a full alarm level.
Several ppm CO
levels are also
displayed and
the alarm level is
shown increasing.
A chirp is issued about every
minute.
Battery icon will show
an empty icon.
3 rapid chirps every minute “ERROR” is displayed.
Silent “SILENCE” is displayed.
Repeating
4 beeps, pause
“CO” alternating
with the ppm
number, a full level,
and “EVACUATE”.
Silent
“CO” alter
nating with the ppm number
.
The level will indicate relative CO
exposure level.
Silent
All segments
of display ar
e
turned on for
a short time
upon initial
power. Then
the battery level icon is dis
played.
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