Question about Kidde Nighthawk Combo Gas/co Detector

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Nighthawk KN-COB-DP-H It is beeping every 25 - 30 seconds and I am not resetting the button.

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

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reddawgesq
  • 134 Answers

SOURCE: I HAVE A NIGHTHAWK MODEL KN-COP-DP ALARM AND

Error code "E09" is the grossly under-documented "planned obsolescence feature" called, rather matter-of-factly, "End of Life". This means that ~7 years after first being powered up, the unit will, BY DESIGN, cease to function, forcing you to buy a replacement. Would have been nice of Kidde to include THAT warning on the OUTSIDE of the package. Call their "Hotline" at 1-800-880-6788 and tell them what you think of that policy. If it is still under warranty (5 or 7 years depending on date of manufacture) they should replace it. In any event, buy another one; if they replace your first one you will have twice the protection. Not a bad thing. *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

Posted on Feb 01, 2011

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  • 1 Answer

SOURCE: 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.

Posted on Jan 06, 2009

tomandersen
  • 2 Answers

SOURCE: The CO alarm started to beep every 30 seconds. I

They only last 7 years, after which they beep every 30 secs. You need new ones.

Posted on Nov 23, 2010

reddawgesq
  • 134 Answers

SOURCE: MODEL KN-COP-DP MFG 2003 GETTING ERR AND BEEPING

If the display shows "Lb", the battery is probably low; replace it. Make sure you are buying brand-name batteries, EverReady, DuraCell, etc. not some cheap knock-off brand you may never have heard of. There is absolutely no quality control or minimum performance specifications for batteries that are marketed in the US and there is some REAL trash out there. If the display shows "Err", push and hold the Peak Level button. Does the display change to "E09"? If so, then you have just been "had" by the grossly under-documented "planned obsolescence feature" called, rather matter-of-factly, "End of Life". This means that ~7 years after first being powered up, the unit will, BY DESIGN, cease to function, forcing you to buy a replacement. Would have been nice of Kidde to include THAT warning on the OUTSIDE of the package. Call their "Hotline" at 1-800-880-6788 and tell them what you think of that policy. If it is still under warranty (5 or 7 years depending on date of manufacture) they should replace it. In any event, buy another one; if they replace your first one you will have twice the protection. Not a bad thing. *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

Posted on Feb 01, 2011

  • 3 Answers

SOURCE: I have a Kidde Nighthawk

You can get help at

https://portalgb.knowledgebase.net/display/4/search.aspx?tab=search&c=15121&cpc=i830o4bbvC82cRVePyldWo3I&cid=12758&r=

It is the Kidde help center.

Posted on Mar 01, 2011

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1 Answer

4 beeps with pauses for 2 year old carbon monoxide detector


I'm pretty sure that indicates an alarm. The pattern is referred to as "temporal 4" which is the alarm pattern for CO. Either your device is in a bad place or there is an intermittent CO leak which is exceeding the ppm (parts per million) threshold for a given time period. The instructions for the device will tell you what that number is. If you have more than one of these, I would try swapping them to determine if the problen is with the device or the location. Good luck!

Apr 24, 2015 | Kidde Kiddie - Nighthawk Kn-cob-lcb-a Fire...

1 Answer

I have model kn-cob-lcb-ca...it does not have a digital display, it was made in 2009..a few nights ago it started beeping...4 beeps, 5 second pause then 4 beeps continuously..the manual says this is a...


send the detector back and have it replaced,
The CO sensor will not alarm to levels of CO below 30 ppm and will alarm in the following time range when exposed to the corresponding levels of CO: 70 ppm CO Concentration 60 - 240 minutes 150 ppm CO Concentration 10 - 50 minutes 400 ppm CO Concentration 4 - 15 minutes The alarm shall include a piezoelectric horn that is rated at 85 decibels at 10 feet. When the unit detects carbon monoxide, the alarm pattern will be four (4) short beeps - followed by five (5) seconds of silence - followed by four (4) short beeps. The unit shall incorporate 2 LED's. A green LED will be illuminated to indicate the alarm is operating properly when plugged into an outlet, and will flash every 10 seconds when on backup battery power. A red LED will flash to indicate that carbon monoxide has been detected until the device is reset or CO is eliminated or will flash to indicate low battery or alarm malfunction. The unit shall at a minimum meet the requirements of CAN/CSA 6.19-01. It shall also include a 10-year manufacturer's limited warranty or

Test/Reset Button - Tests the unit for proper operation. Resets the carbon monoxide alarm.
• Tamper Resist Feature - If activated, unit goes into constant alarm mode if it has been unplugged or has come loose from the outlet.

Sep 20, 2011 | Kidde Nighthawk Combo Gas/co Detector

1 Answer

I have a Kidde Nighthawk Model KN-COB-DP-H that was in an alarm mode with intermittent audible alram evry 25-30 seconds. Could not reset the unit. Cannot find user's guide for details on how or what to...


You can get help at

https://portalgb.knowledgebase.net/display/4/search.aspx?tab=search&c=15121&cpc=i830o4bbvC82cRVePyldWo3I&cid=12758&r=

It is the Kidde help center.

Feb 26, 2011 | Kidde 900-0193 Ac Powered Plug In W/...

1 Answer

Nighthawk carbon monoxide alarm model number KN-COPP-3 err beeping every 25-30 seconds, I replaced battery they still beep. They say to seek users guide, which can't be found. It seems to have started...



1. Change batteries.
2. Clean it.
3. Swap it with another location if you can.

If it still does not work properly consult the local fire dept. for free.

You may have to take it in repairs if all fails.

Nov 08, 2010 | Kidde Nighthawk Combo Gas/co Detector

1 Answer

How can I shut off my Kidde carbon monoxide detector when beeping


Here is the link to the manual for your Kidde model KN-COB-LCB-A
Carbon Monoxide Detector. This may help you solve your issue.

You may find more related information on my website. If you need a replacement or you need to add additional Carbon Monoxide Detectors in other levels of your house, you can purchase them here.

This issue should be solved immediately, Carbon Monoxide Poisoning can only be avoided by making sure you have good working CO Detectors in your house, camp or recreational vehicle.

Jul 24, 2010 | Kidde Nighthawk Combo Gas/co Detector

3 Answers

What does an err code E03 mean?


the sense is bad, unfoturally the unit need to be replaced.

Nov 24, 2008 | Kidde Nighthawk Combo Gas/co Detector

4 Answers

Nighthawk carbon monoxide alarm model kn-copp-b


Here is a link to the manual, or you can call the consumer hotline at 1-800-880-6788

Nov 10, 2008 | Kidde Nighthawk Combo Gas/co Detector

2 Answers

Kidde Carbon Monoxide Alarms


YES!!!! If this unit is working properly you should not be in the house. Maximum allowable safety level for an 8 hour period is 50! If you think it's working properly call the fire department! This will cause dizziness,nausea,etc. Let your fire department find the problem! If you don't believe me follow this link to owner's manual but do it quickly: http://www.kiddeus.com/utcfs/ws-384/Assets/KN-COB-B(9CO5)en.pdf

Feb 27, 2008 | Kidde Nighthawk Combo Gas/co Detector

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