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Question About Nighthawk Smoke Alarm kn-cosm-ibca
chirping sound...

chirping sound every 30 seconds

Asked by ferdinand on 06/03/2009 1  Answer

ManualsOnline posted an answer 14 years, 11 months ago

The ManualsOnline team has found the manual for this product! We hope it helps solve your problem. Get the Manual Here

Franc posted an answer 14 years, 11 months ago

0 Manual for Kidde KN-COSM-I,KN-COSM-IB: http://portal.knowledgebase.net/al/15121/16372/article.asp?aid=294717&n=5&tab=search&bt=4n&r=0.3897623&s=1 See page 7. One “chirp” every 30 seconds is an indication that the alarm is malfunctioning. If this occurs call the Consumer Hotline at 1-800-880-6788.
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