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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 15 years, 4 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 15 years, 4 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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