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4. Troubleshooting Guide
3. Other Alarm Visual And Audible Indicators
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.
Trouble Condition Visual Indications Audible Indications Action
Low Battery
Amber LED blink 
every 60 sec.
Chirp and voice “Low  
Battery” every 60 sec.  (After 
1 hour, voice occurs only 
once every 15 mins).
Voice “Hush mode activated” 
after button push (rst 7 
days only).
* Push Test/Hush button once to 
silence for 24 hrs.
* Replace battery as soon as 
possible.
   Note: 7 days after Low Battery 
begins, the notications cannot 
be silenced.
Fault: Smoke Sen-
sor Error
Amber 
LED blinks
 every 30 sec.
Chirp every 30 sec, voice 
“Smoke Sensor Error” every 
60 sec.  (After 1 hour, voice 
only after button is pushed.)
*See Cleaning Your Alarm section.
*Push Test/Hush button once to 
attempt to reset the unit.
* If error continues, remove, dispose 
unit, and replace as soon as 
possible.
Fault: CO Sensor 
Error
 Chirp every 30 sec, Voice 
“CO Sensor Error” every 60 
sec. (After 1 hour, voice only 
after button is pushed.)
*Push Test/Hush button once to 
attempt to reset the unit.
*If error continues, remove, dispose 
unit, and replace as soon as 
possible.
Fault: Memory Error
Chirp every 30 sec, Voice 
“Memory Error” every 60 sec.  
(After 1 hour, voice only after 
button is pushed.)
Voice “Hush mode activated” 
after button push (rst 7 
days only).
*Push Test/Hush button once to 
attempt to reset the unit.
* If error continues, remove, dispose 
unit, and replace as soon as 
possible.
End of Unit Life
Amber LED 
blinks twice 
every 30 sec.
Double chirp every 30 sec, 
voice “Replace alarm” every 
60 sec.  (After 1 hour, voice 
occurs only once every 15 
mins.)
* Push Test/Hush button once to 
silence for 24 hrs. Note: 7 days 
after End of Unit Life begins, the 
notications cannot be silenced.
* Remove, dispose unit, and replace 
as soon as possible.