Question about Kidde Nighthawk Combo Gas/co Detector

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My kidde nighthawk beeped once; shows a display of 250 and L6, what does that mean

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OPEN THE BACK AND CONNECT THE RECHARGEABLE BATTERY WITH THE SMALL BLK WIRE THEN RECONNECT INTO AC POWER OUTLET AGAIN WAIT UNTIL IT DISAPPEAR ON THE WINDOW TO INDICATE DC CHARGED ALREADY

Posted on Apr 03, 2011

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1 Answer

My Kidde Carbon monoxide beeps every 30 seconds and is showing L6 with a flash of 0? It is brand new. What does this mean?


L6 is actually "Lb", which is a low battery warning. If the 9V battery is missing, or if the battery's power is low, an "Lb" message will display, which blink's alternately with the current CO reading, while chirping. If this happens, you need to replace the battery.

Nov 10, 2012 | Kidde Nighthawk Combo Gas/co Detector

1 Answer

We have a Kidde Nighthawk Carbon Monoxide detector. Last week our breaker tripped and ever since then our detector has been beeping once every 15-20 seconds. The detector has a code 97 displayed. We can...


Haha, same thing just happened to me and really scared me. Thats not a '97' that is an upside down 'Lb' for low battery. According to the manual: "A 9V battery is needed. If battery is low or missing while the unit is plugged into a 120V outlet, an "Lb" message will display which will blink alternately with a the CO reading every second and the sounder will chirp every 15 seconds."

Mar 22, 2011 | Kidde Nighthawk Combo Gas/co Detector

1 Answer

My kidde carbon alarm chirp every 30 seconds and shows L6 on the dispaly, also the red light goes off and on


"L6" display & chirping sound, indicates you need to change the 9 volt battery in the detector.

If you have misplaced your User Guide, I have included a link to it, that you can download and print for future reference.

http://www.kidde.com/utcfs/ws-384/Assets/900-0113.pdf

Hope this helps you solve your alarming situation. :)

Mar 02, 2011 | Kidde Nighthawk Combo Gas/co Detector

1 Answer

My Kidde Nighthawk CO2 detector starting beeping every 30 seconds or so this evening with ERR on the display - what does this mean?


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

Oct 03, 2010 | Kidde Nighthawk Combo Gas/co Detector

1 Answer

What does the code L6 on a Nighthawk Carbon Monoxide alarm mean?


Hi,

It means low battery.

Cheers
TeaCii
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Apr 13, 2010 | Kidde Nighthawk Combo Gas/co Detector

1 Answer

L6 code is displayed and beeps about every 10 seconds


Hi,

You are on low batteries. Change them.

Cheers
TeaCii
If you own website, add live support almost free
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Apr 10, 2010 | Kidde Nighthawk Combo Gas/co Detector

3 Answers

My Kidde Model # KN-COEG-3 keeps going off and lists 217 now 205 now again 217 and this is with the door open and fresh air coming into my place ??


I took the following from the Kidde website. They only answer the phone Mon-Fri, from 8-5, EST. I checked it out because my almost new Kidde CO detector is showing an Error code.
The next time your carbon monoxide alarm has ERR on the display, push and hold the Peak Level button.You will see an E and an O followed by a number.Contact our hotline at 1-800-880-6788 and provide us the error code, along with the model number, assembly number and date of manufacture from the back of your unit.If your unit is under warranty, a replacement will be mailed to you.

Nov 21, 2009 | 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

2 Answers

ERROR CODE L6


possibly low systm battery.......

Oct 17, 2008 | Kidde Nighthawk Combo Gas/co Detector

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