10
5. Using Your Non-Digital Alarm(4MCO) – what the signals mean
LEDs
Sounder
Unit Status
Ac1on
Normal Opera3on
Red
None
Normal Opera3on
None
Amber
Alarm
Red
Flashing
4 loud beeps/pause/4
loud beeps- repeated
CO detected
See sec3on
Amber
Interconnected CO
alarm detects CO
Red
Flashing
4 loud beeps/pause/4
loud beeps- repeated
Interconnected CO alarm
detects CO
See sec3on
Amber
InterconnectedHeat/Smoke
alarmdetects hazard
Red
Flashing
3 loud beeps/pause/3
loud beeps- repeated
Smoke or heat has been
detected from an intercon-
nected smoke or heat alarm
EVACUATE THE PREMISES
ACCORDING TO YOUR ESCAPE
PLAN
Amber
Error condi3on -1
Red
Flashing every 30 secs
Chirp/30 secs
Unit has failed
Replace
Amber Flashing every 30 secs
Error condi3on -2
Red
ON
Constant loud sound Unit microprocessor has
failed
Replace
Amber
End of Life
Red
Flashing
Chirp twice every
30 seconds
The unit has reached the
end of its life
Replace
Amber Flashing twice every 30 secs
Charging the bat-
tery back up
Red
NONE
Ba4ery backup is charging (unit
is monitoring for CO)
Nothing
Amber Flashing every 15 secs
Low ba4ery
Red
Flashing every 15 secs
Chirp / 15 secs
Back up ba4ery is
discharged
Ensure switch is On at the rear
of the unit
-
if it persists
contact Kidde
Amber Flashing every 15 secs
NOTE: If AC mains is connected and ac1ve, the Green LED will be on con1nuous. If Green LED is not on,
see Sec1on 6.
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