Use and Care Manual
If you require further information please contact  
Product Support at 1-800-880-6788 or write us at: Kidde, 1016 Corporate 
Park Drive, Mebane, NC 27302. Our internet address is www.kidde.com.
6. Alarm Visual and Audible Indicators
Alarm 
Mode
Visual 
Indications
Audible 
Indications
Smoke or Fire detected 3 blinks synchronized with 
audible alarm
3 long beeps, voice message "Fire!", 3 long beeps, 
repeating. 
Carbon Monoxide 
detected
4 blinks syncronized with 
audible alarm
4 quick beeps, voice message "Warning! Carbon 
Monoxide", repeating(First 4-5 minutes - The 
repeating pattern is 4 quick beeps, "Warning! 
Carbon Monoxide", 4 quick beeps. After 4-5 minutes, 
the pattern is 4 quick beeps, "Warning! Carbon 
Monoxide" once every minute)
.
Opera-
tional 
Mode
Visual 
Indications
Audible 
Indications Note:
Normal 
Operation
Blink once 
every 60 
seconds
None LED will flash every 60 seconds 
for 10 minutes following power 
on or reset. After initial 10 
minutes, LED will flash once 
every 10 minutes
Test/Hush 
Button Press
Blink with 
each alarm 
pattern
Two sets of 3 long beeps with voice "Fire!" 
and two sets of 4 quick beeps with voice 
"Warning! Carbon Monoxide!"
Test/Hush button press will 
initiate test sequence
Smoke 
Alarm Hush
Blink once 
every 10 
seconds
voice message "Hush mode activated" 
(The voice message "Hush Mode Cancelled" occurs 
if: 1. The button is pushed again, and the smoke 
level is below the Alarm level. 2. The Hush mode 
timer expires, (approx. 9 minutes), and the smoke 
level is below the Alarm level.) 
Alarm hush feature silences 
smoke alarm for approx. 9 
minutes.
Low Battery Blink once 
every 30 
seconds
During Low Battery mode, the red LED will blink 
every 30 seconds and the sounder will chirp 
every 60 seconds followed by the voice message                 
"Low Battery." After 5 minutes, the red LED will 
continue to blink every 30 seconds and the sounder 
will continue to chirp every 60 seconds, but the 
voice message will change to once every 15 minutes.  
After 60 minutes, (1 hour), of Low Battery mode, the 
red LED will continue to blink every 30 seconds and 
the sounder will continue to chirp every 60 seconds, 
but the voice message will no longer occur.
Remove alarm, deactivate 
(turn off), replace within 7 
days!
Fault Mode
Fault code 
(2-12 flashes 
every 30 
seconds)
Chirp every 30 seconds Call Product Support. If fault 
continues, remove alarm, 
deactivate (turn off), replace.
End of Unit 
Life
2 blinks every 
30 seconds
2 chirps every 30 seconds Remove alarm, deactivate 
(turn off), replace
End of Unit 
Life Hush
None None (End of Life chirps silenced)             Silences End of Life chirps for 
3 days. Can be used 10 times 
within 30 days.










