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I have just bought the Kidde 2 Alarms in 1 Model # KN
I have just bought the Kidde 2 Alarms in 1 Model # KN cosmxtr-BA . … read more
Wes
Wes
Owner/Consultant
Bachelor's Degree
379 satisfied customers
I had three Kidde Model #KN-COPE-IC smoke detector/carbon
Hi - I had three Kidde Model #KN-COPE-IC smoke detector/carbon monoxide detectors installed two years ago. The low battery alert has come on, and I'm trying to replace the 9V battery. I can open the d… read more
Pete
Pete
Engineer
Bachelor's Degree
1,138 satisfied customers
I am trying to change the battery in my alarm. I have
I am trying to change the battery in my alarm. I have managed to open the little door but it is blocked by a flap extending over it from the area where the wires enter the alarm itself. any suggestion… read more
Russell H.
Russell H.
Service Tech
Vocational, Technical or Trade Scho
4,832 satisfied customers
I have hard wired kidde smoke detectors. All of a sudden
i have hard wired kidde smoke detectors. All of a sudden they have started to go off for no reason. I have replaced the batteries in all of them. but they continue to go off. … read more
Michael Hannigan
Michael Hannigan
Bachelor's Program
239 satisfied customers
My carbon Monoxide Alarm just started chirping. Cannot find
My carbon Monoxide Alarm just started chirping. Cannot find the directions. does it need a new battery? What do I do? … read more
Isaac Franklin
Isaac Franklin
Associate of Science in Social Sciences
1,460 satisfied customers
Our smoke/carbon monoxide alarm action was beeping and I
Our smoke/carbon monoxide alarm action was beeping and I replaced the battery and still beeping. How can I stop the beeping. … read more
MD.REHAN
MD.REHAN
self employed
Diploma in applied electronics
836 satisfied customers
Both the fire and carbon monoxide alarms are going off. There
Both the fire and carbon monoxide alarms are going off. There is no fire or smoke. We have no symptoms of carbon monoxide poisoning. It seems like a false alarm, but the equipment is only a few months… read more
Michael
Michael
Appliance Repair Technician
Bachelor's Degree
3,516 satisfied customers
Good Morning Kidde Technician, I need your help. The Kidde
Good Morning Kidde Technician, I need your help. The Kidde Smoke and CO Alarms that were installed when my house was build two years ago are now randomly sounding a Fire Alarm when there is no Fire. T… read more
Michael Hannigan
Michael Hannigan
Bachelor's Program
239 satisfied customers
how do you change the battery in a kidde smoke and carbon monoxid
how do you change the battery in a kidde smoke and carbon monoxide detector model #kn-cosn-1b… read more
electronicsguy
electronicsguy
Systems Engineer
Bachelor's Degree
239 satisfied customers
Does the kidde CO2 alarm detector alarm on a regular basis
Does the kidde CO2 alarm detector alarm on a regular basis or on a continual sensing mode? It alarms for 2-3 seconds every two or three hours on a daily basis.… read more
Craig
Craig
Electrical Director
Electrical Automation Technician
2,133 satisfied customers
we bought a smoke and carbon monoxide the other day and everycoup
we bought a smoke and carbon monoxide the other day and everycouple of hours it starts chirping one chirp every 30 to45 sec.should i move it after i reset it the green light flashes every 45 sec to 1m… read more
Craig
Craig
Electrical Director
Electrical Automation Technician
2,133 satisfied customers
My Kidde Nighthawk smoke/carbon monoxide alarm is chirping
My Kidde Nighthawk smoke/carbon monoxide alarm is chirping every 30 seconds, but I just replaced the battery. I'm pretty sure it has reached the end of it's life because the date on it is 2003. How do… read more
Tas H
Tas H
235 satisfied customers
I am going crazy!!!!!!I replaced my battery in my fire alarm
I am going crazy!!!!!!I replaced my battery in my fire alarm and it is still beeping. Please help me.… read more
AnswerManRob
AnswerManRob
Electronic Technical Support Specialist
Bachelor's Degree
9,490 satisfied customers
I have a KIDDE smoke/CO alarm that is 7 years old, it is now
I have a KIDDE smoke/CO alarm that is 7 years old, it is now beeping every 30 seconds, it is not saying low battery, the legend on the alarm indicates this is a malfunction of the alarm, I have tried … read more
romr2009
romr2009
Bachelor's Degree
235 satisfied customers
Hello, How do I change the 9 volt battery in the Kidde carbon
Hello, How do I change the 9 volt battery in the Kidde carbon monoxide detector. The battery door won't open all the way without unplugging the unit. Is that what I do?… read more
Simit
Simit
Bachelor's Degree
2,001 satisfied customers
my kidde/nighthawk model no.kn-cosm-b beeps a couple of times
my kidde/nighthawk model no.kn-cosm-b beeps a couple of times a minute. i changed the batteries and it continues to beep.… read more
romr2009
romr2009
Bachelor's Degree
235 satisfied customers
i have an ac powered carbon monoxide alarm. it says err and
i have an ac powered carbon monoxide alarm. it says err and a flashing dot. i know the electricity did not go off so it is ac powered. it keeps on chirping.what shall i do. thank you… read more
AnswerManRob
AnswerManRob
Electronic Technical Support Specialist
Bachelor's Degree
9,490 satisfied customers
i have a kidde smoke and carbon monoxide detector where is
i have a kidde smoke and carbon monoxide detector where is the battery inside it states northhawk 810-429… read more
Steve G.
Steve G.
Engineer
2,358 satisfied customers
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Steve G.

Steve G.

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John

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I am here to help you!

Russell H.

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Louie

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Rod

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Martin

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Disclaimer: Information in questions, answers, and other posts on this site ("Posts") comes from individual users, not JustAnswer; JustAnswer is not responsible for Posts. Posts are for general information, are not intended to substitute for informed professional advice (medical, legal, veterinary, financial, etc.), or to establish a professional-client relationship. The site and services are provided "as is" with no warranty or representations by JustAnswer regarding the qualifications of Experts. To see what credentials have been verified by a third-party service, please click on the "Verified" symbol in some Experts' profiles. JustAnswer is not intended or designed for EMERGENCY questions which should be directed immediately by telephone or in-person to qualified professionals.

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