Question about Kidde Nighthawk Combo Gas/co Detector

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ERROR CODE L6

NEED TO KNOW WHAT ERROR CODE L6 MEANS ON A NIGHT HAWK DELUXE CO DETECTOR

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  • Anonymous Feb 16, 2009

    code L6 come on

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Possibly low systm battery.......

Posted on Oct 18, 2008

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Get a new one lol

Posted on Apr 06, 2009

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1 Answer

My night hawk carbon monoxide reads L6. Then Err.


Lb (rather than L6) indicates a low battery. You need to replace the 9V battery in the carbon monoxide detector. The Err suggests an internal error but could just be due to the low battery.

If the Err persists after you replace the battery, press the peak level button (the right hand button) and check for an additional error code. If the Err message continues, replace the Night Hawk unit. If the unit is still under warranty, contact the manufacturer. Most of these units have a 10 year warranty. There are several models available from Kidde. The manual is available on the product site. For the KN-COPP-3 Night Hawk carbon monoxide detector, the documentation is available here: http://www.kidde.com/home-safety/en/us/products/fire-safety/co-alarms/kn-copp-3/ . Click on the Documents tab. The manual for the KN-COPP-3 999-0100 is here: http://www.utcccs-cdn.com/hvac/docs/2001/Public/06/User_Guide_KN-COPP-3_900-0100.pdf .

I hope this helps.

Cindy Wells

Dec 12, 2016 | Night Home Security

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

I have kidde night hawk carbon alarm what does the numbers 888 mean


When you first power up the unit, you should see three eights (888) on the digital display, indicating the alarm is in the start-up mode and is warming up. The three eights will remain for approximately 20 seconds.

Aug 02, 2012 | Kidde Nighthawk Combo Gas/co Detector

1 Answer

The night hawk carbon monoxide alram is beeping and has an L6 error.


"L6" is actually "Lb" which means "Low battery". If you just bought the battery it may be defective. Try a different, known-good one. If it works OK, return the first one for a refund.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 known-good batteries are not lasting at least a year in the unit, call the Kidde "Hotline" at 1-800-880-6788 and discuss the problem with their technical support section; you may be due a warranty replacement if the unit is still in warranty, usually 5 or 7 years depending on the manufacturing date. *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

Nov 01, 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

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

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