Audible and Visual Indications
The tricolored LED (green, yellow, red) and a
sounder on the detector provide local visual and aud-
ible indication of the detector’s status as listed in
Table 1.
Status
LEDs
Sounder (does
not pulse the
sounder and
LED con-
currently)
Radio Sig-
nalling
Normal
Green
flash
every 12
seconds
Off
Normal
(none)
Alarm/Test
Red flash
every 12
seconds
ANSI S3.41
temporal 4
(press button
to hush for 5
minutes)
Alarm
Detector
Trouble
Yellow
flash
every 6
seconds
One 100ms
chirp every 45
seconds
Fault
Low
Battery
Yellow
flash
every 12
seconds
One 100ms
chirp every 45
seconds (press
button to hush
for 12 hours)
Low
battery
Detector
End of
Life
Yellow
flash
every 23
seconds
One 100ms
chirp every 45
seconds
Fault
Powerup
Green,
yellow,
red flash
sequence
every 12
seconds
One 100ms
chirp at end
of power-up
sequence
None
Tamper
Green,
yellow,
red flash
sequence
every 12
seconds
Off
Tamper
Table 1: Detector Status and Indication
Specifications
End of life:
7 years (see date stamped on back
of detector)
Operating
frequency:
433MHz
Audible
signal (temp
4 tone):
85 dBA min. in alarm (at 10ft
(3m))
Operating
current:
10 μA
Temperature
range:
0°C to 40°C (32°F to 104°F)
Operating
humidity
range:
15% to 95% Relative Humidity,
non-condensing
Transmitted
messages:
CO gas alarm, low battery, tamper,
trouble message as a result of
sensor end of life or sensor trouble,
supervision.
Power
source:
One 3-volt CR123A Panasonic
Lithium Battery (included)
Battery
supervision:
Automatic transmission of battery
status data as part of any
transmitted message.
Battery life
expectancy:
5 years (under typical use). Note:
Constant exposure to temperature
or humidity extremes may reduce
battery life.
Low battery
threshold:
2.3 V
You should know about Carbon Monox-
ide.
Carbon monoxide, also known as "CO" by the chem-
ical form, is considered to be a highly dangerous
poisonous gas, because it is colorless, odorless or
tasteless and very toxic. In general, biochemistry
phenomena have shown that the presence of CO gas
inhibits the blood's capacity to transport oxygen
throughout the body, which can eventually lead to
brain damage. In any enclosed space (home, office)
even a small accumulation of CO gas can be quite
dangerous. Although many products of combustion
can cause discomfort and adverse health effects, it
is CO gas which presents the greatest threat to life.
Carbon monoxide is produced by the incomplete
combustion of fuels such as natural gas, propane,
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