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Rebecka Snell Posted on Jul 28, 2017

Just replaced three of seven kidde model KN-COSMA-IBA less than three years after installation. Are they defective? Should I have to pay for replacements?

One would not stop chirping even after changing batteries four times. Electrician told me that it had "expired" only after 2.5 years though they should have 7-10 year life. The other two had "gone red" and we suspected they would follow. I can't determine if these specific ones have been recalled. They were installed early in 2015. They failed shortly after a power outage (a week or so).

2 Related Answers

Anonymous

  • 134 Answers
  • Posted on Feb 01, 2011

SOURCE: My Kidde "Nighthawk" carbon monoxide

Sounds like you may be due a warranty replacement. Call the Kidde "Hotline" at 1-800-880-6788 with your Model number, serial number, and manufacturing date. The original sales receipt would be helpful but probably not absolutely necessary. Good luck. *Disclaimer: I am not a lawyer, despite the handle. Words to live by: "Every creative act results from a sudden cessation of stupidity." -Edwin H. Land, inventor of the Polaroid Land Camera "The problem can always be solved with the materials in the room." -My college Physics Lab Instructor

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Anonymous

  • 324 Answers
  • Posted on Nov 03, 2007

SOURCE: Dell Latitude 500 - Battery vs Power Supply Problem

As far as which adapter to use, either should work fine. The 90 watt will run cooler. I have seen the 65 watt go up in smoke when being used on a continuous basis.
As to the battery not charging, unfortunately, it sounds like you may have a problem with the internal power supply. The orange light is showing that the battery is discharged. If this light doesn't turn green after the laptop has been plugged in for a couple of hours, you are not getting the battery charged. Power the laptop down, remove the battery. Check the contacts on both the battery and laptop battery connector for any foreign material or "Gunk" and for any bent or broken contacts.
Hope this helps!
R-

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Why is Model KN-COEG-3 Kidde Carbon monoxide and smoke detector keep beeping when I replaced batteries with fresh ones and it just keeps beeping every 20 seconds?

It is time to replace it. From the instructions.
IMPORTANT: Seven (7) years after the initial power up, this alarm
will "beep" every 30 seconds to indicate that it is time to replace
the alarm. Replace the alarm immediately! It will not detect CO in
this condition.


copy and paste.
https://www.kidde.com/home-safety/en/us/support/help-center/browse-articles/articles/what_causes_consistent_chirping_.html
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Schematic for a Kidde model KN-COSM-IB

Three things about this:
1 It may be under recall depending on its age and if it is over 10 years old, replace it.
2. The unit has a radio active source and should not be tampered with.
3. The information that you are asking for is proprietary and not available.
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My Kidde smoke and carbon monoxide alarmmodel no. KN -COSM-8 started to beep in the middle of the night due to low batteries. I changed the batteries and pushed reset/ hush but still beeping.

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Nov 11, 2016 • Home
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Will Kidde wireless smoke alarm model interlink with Kidde wireless smoke and carbon monoxide model

According to the Kidde website, model KN-COSM-B-RF can interconnect with "Up to 24 devices (of which 12 can be smoke alarms)", so I would say the answer is "yes". The Kidde website also offers a place where you can submit questions...I'm sure they would be happy to help you. Kidde KN COSM RF Battery Operated Wireless Interconnect Combination CO and...
Aug 09, 2015 • Home
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My Kidde "Nighthawk" carbon monoxide

Sounds like you may be due a warranty replacement. Call the Kidde "Hotline" at 1-800-880-6788 with your Model number, serial number, and manufacturing date. The original sales receipt would be helpful but probably not absolutely necessary. Good luck. *Disclaimer: I am not a lawyer, despite the handle. Words to live by: "Every creative act results from a sudden cessation of stupidity." -Edwin H. Land, inventor of the Polaroid Land Camera "The problem can always be solved with the materials in the room." -My college Physics Lab Instructor
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My CO detector is chirping every 30 seconds or so, there is no battery to change and receiving error code 09

depending on what model number you have .. if its a model kn-cosm-b then is actually has 3 AA batteries inside ... the model kn-cob-lcb-a, while it runs on 120 volts, still has a 9 volt battery inside .. in fact most models have a battery backup so that they still work if there is a power outage .. the chirp indeed tells you that the backup battery needs changing .. if you cant find the battery give us the model number and we can help ... sometimes they are hard to find ..
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Nighthawk model kn-cop-dp, when plugged in i get an error code

I have the same problem....The answer is the detector has died. This kind of detector has a warranty for 5 years. Mine was assembled 8 years ago and just died this morning. 8 years is good for this kind of detector. The protection device inside wears out in time. Thats why you keep getting an err message.
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