Owner`s manual
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14. DESCRIPTION OF AUDIBLE AND VISUAL SIGNALS
Condition LCD Readout LEDs Horn
CO monitor is
operational
Continuously displays 0
PPM
POWER green LED flashes
once every 60 seconds
Silent
CO gas alert
Displays current CO level
detected (see page 5)
ALARM red LED flashes 4
times every minute
Silent
CO gas alarm
Displays current CO level
detected (see page 5 for
more information about
CO display levels)
ALARM red LED flashes 4
times in synchronous with
horn
Beeps 4 times, pauses for 5
or 60 seconds. Repeats this
pattern for first 5 minutes,
then pause time increases
to 60 seconds (20 seconds
if CO is 150 PPM or more)
Suspend CO alert
visual signal
Displays for 5
seconds, then current CO
level detected
Flashing ALARM red LED
suspended for 24 hours.
POWER green LED flashes
once per 60 seconds
Silent
Mute CO alarm
audible signal
Displays for 5
seconds, then current CO
level detected
ALARM red LED continues
to flash 4 times every minute
Silent for 12 hours if under
25 PPM, or 5 minutes if 25
PPM or more
Testing monitor
Displays 0 PPM or
current CO level detected
ALARM signals are same as
CO gas alarm condition, and
POWER green LED blinks
once when testing complete
Beeps 4 times, pauses for 5
seconds, then beeps 4
times again
Display Memory
Displays highest CO level
detected, and duration of
peak CO level. Each
readout lasts 5 seconds
POWER green LED blinks
once when CO memory
display is completed
Silent
Clear Peak
Memory
Displays
POWER green LED blinks
once when clear peak
memory is completed
Bursts a long beep
Low battery
voltage
Displays
symbol
POWER green LED blinks
for 5 seconds every minute
Chirps once per minute
Mute “low battery
voltage” audible
signal
Displays for 5
seconds, then
symbol
and 0 PPM or current CO
level detected
POWER green LED blinks
for 5 seconds every minute
Silent for 24 hrs during the
first week
“End-of-Life”
Continuously displays
SERVICE red LED glows for
3 seconds every minute
Chirps once per minute
Mute “End-of-Life”
audible signal
Displays for 5
seconds, then
SERVICE red LED glows for
5 seconds, POWER green
LED blinks once, then
SERVICE red LED glows for
3 seconds every minute
Silent for 60 hrs during the
first month
Service required
Displays
continuously
SERVICE red LED blinks for
5 seconds every minute
Chirps twice (BEEP-BEEP)
per minute










