Owner`s manual

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11. DESCRIPTION OF AUDIBLE AND VISUAL SIGNALS
Condition LCD Readout LEDs Horn
Normal operation
Displays “On”
continuously
Green LED blinks once
every minute
Silent
Alarm activation
Displays current CO
reading in PPM
Red LED flashes 4 times
every 6 seconds in
synchronous with horn
Beeps 4 times, pauses for
5 seconds. Repeats this
pattern for first 5 minutes.
Then pause time
increases to 1 minute
Mute alarm
audible signal
Displays “OFF” for 5
seconds, then current
CO reading in PPM
Red LED flashes 4 times,
then Green LED blinks
once per minute
Silent
Testing alarm
Displays Current CO
level detected, peak CO
level detected, and
duration of peak CO.
Each readout lasts 5
seconds
Red LED glows briefly, then
flashes in synchronous
with horn
Beeps 4 times, pauses for
5 seconds, beeps 4 times
Memory retrieval
of CO levels
Displays current CO
level detected, peak CO
level detected, and
duration of peak CO.
Each readout lasts 5
seconds
Red LED flashes 4 times,
pauses for 5 seconds, Red
LED flashes 4 times again
Silent
Low battery
power
Displays “bAt”
continuously
Green LED blinks for 5
seconds every minute
Chirps once per minute
when green LED starts to
blink
Mute “low
battery” audible
signal
Displays “OFF” for 5
seconds
Green LED blinks for 5
seconds
Silent
Low battery in
silent mode
Displays “bAt”
continuously
Green LED blinks for 5
seconds every minute
Silent for 24 hrs during first
week
“End-of-Life”
Displays “End”
continuously
Red LED glows for 1
second every minute
Chirps once per minute
Mute “End-of-
Life” audible
signal
Displays “OFF” for 5
seconds
Red LED glows for 5
seconds
Silent
“End-of-Life” in
silent mode
Displays “End”
continuously
Red LED glows for 1
second every minute
Silent for 60 hrs during first
month
Trouble/Service
Displays “Err”
continuously
Red LED blinks for 5
seconds every minute
Chirps twice per minute
when red LED starts to
blink