ALARM SIGNAL & LED INDICATION
Note : ■■■ represents “beep, beep, beep”
Detector
Operation
Green
Red
Yellow
Alarmsignal
Power indication
Alarm signal
Fault signal
Normal Operation
Flash once per
minute ¤
-
-
-
Alarm Condition
-
4 beeps + flash ¤
-
■■■■ -1s -■■■■ -1s
-■■■■ …
Silence(hush) mode
under
alarm condition
-
4 flashes ¤
-
-
Interlink signal
input(slave)-
CN1231only
-
beep + flash ¤
-
■■■■■■■……….
To activate
silence(hush) unit
under interlink
signal input
(CN1231 only)
-
Flash ¤
-
-
Pre-alarm warning
CO level (40 ppm
or greater level
detected)
-
Flash once every
8 seconds until
alarm ¤
-
-
Memory function-
indicates the alarm
has been activated
before(not from
test button) due to
whatever reason
-
-
-
■--8s--■--8s--■
1 beep every 8
seconds last for 12
hours. Press button
once to reset to
normal mode
Low Battery
Warning
-
-
1 beep + flash
every minute ¤
■-1 min-■-
1min-■…….
Sensor Fault
-
-
2 beeps +
flash every 8
seconds ¤
■■-8s-■■-8s-■■-
8s-…………
End of sensor
lifetime warning
-
-
3 Beeps +
flash every
minute ¤
■■■-1min-■■■-
1min-■■■……
Temporary delay
warning signal –
(Push button to
temporarily disable
low battery- or end
of life- warnings for
12 hours)
-
Flashes 3 times
after a push of the
button
¤
(Push button
again to return to
warning mode at
any time)
-
-
