Kidde 4MCO

18
10.Troubleshoong
LEDs LCD Sounder Unit Status Acon
Error condion -1
Red
Flashing every 30 secs
Err
Chirp/30 secs Unit has failed Replace
Amber
Flashing every 30 secs
Error condion -2
Red ON
Constant
lound sound
Unit micro-
processor has
failed
Replace
Amber
End of Life
Red
Flashing
End
Chirp twice
every 30 sec-
onds
The unit has
reached the end
of its life
Replace
Amber
Flashing twice every
30 secs
Low baery
Red
Flashing every 15 secs
NONE
Chirp/15 secs
Backup baery is
discharged
Ensure switch is ON at
the rear of the unit-if it
persists, contact Kidde
Amber
Flashing every 15 secs
(4MDCO)
NOTE: If AC mains is connected and acve, the Green LED will be on connuous. If Green LED is not on,
see Secon 6.
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