Question about Kidde Nighthawk Combo Gas/co Detector

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Our Kidde CO2 alarm is reading level 6 right now. Is that dangerous? We cannot find the manual.

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Posted on Jan 02, 2017

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SOURCE: kidde Carbon Monoxide Alarms

I have a kidde carbon monoxide alarm, model KN-COPP-3.
No instructions. I was wondering how to start/set the unit to work?
Darlene

Posted on Aug 21, 2008

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reddawgesq
  • 134 Answers

SOURCE: My Kidde Nighthawk CO2 detector

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

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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

How do we go about replacing the 9v battery? we have a kidde 0916AUS model on our ceiling.


The manual here, https://www.detectorsandalarms.com/images/pdf/kidde_0916k_manual.pdf describes replacing the battery.
Basically you, 1) Remove the locking pin if it's installed, with some long nosed pliers. 2) Twist the alarm free in the direction of the off arrow. 3) Install a new battery. 4) Twist the alarm back in place, in the direction of the on arrow. 5) Insert a locking pin 6) Test the alarm.

Mar 14, 2011 | Kidde i12040 Hardwire Smoke Alarm with...

1 Answer

Code 266 and 263, alarm sounding


This is urgent to check immediately - From what I can tell in the manual you are having high levels of CO detected. This is the parts per million reading in your home. See page 6-3 in manual - this the link - -
http://www.detectorsandalarms.com/images/pdf/Manual_KN-COEG-3_900-0113en.pdf


On page 4-2 it says:
If the alarm sounds for carbon monoxide:
1) Operate test/reset button;
2) Call your emergency services ( fire dept. or 911);
3) Immediately move to fresh air - outdoors or by an open
door/window. Do a head count to check that all persons are accounted for. Do not reenter the premises nor
move away from the open door/window until the emergency services responders have arrived, the premises
have been aired out, and your CO and Gas alarm remains in its normal condition.
4) After following steps 1-3, if your alarm reactivates within a 24 hour period, repeat steps 1-3 and call a qualified
technician to investigate for sources of CO from fuel burning equipment and appliances, and inspect for
proper operation of this equipment. If
problems are identified during this inspection
have the equipment serviced immediately.
Note any combustion equipment not inspected by the technician and consult the manufacturer's instructions,
or contact the manufacturer's directly, for more information about CO safety and this equipment. Make sure
that motor vehicles are not, and have not been, operating in an attached garage or adjacent to the residence.
! WARNING:
Actuation of your CO and Gas alarm indicates the presence of
Carbon Monoxide (CO) or explosive Gas which can KILL YOU.
PHONE NUMBER
PHONE NUMBER
When the CO and Gas alarm senses a dangerous level of CO, the unit will emit a loud alarm pattern and display the concentration
of CO in parts per million (PPM). The alarm pattern is 4 short beeps - followed by 5 seconds of silence - followed by 4 short
beeps repeating. (Note: When the unit is disconnected from the 120V power supply and is on battery backup, the alarm pattern will
continue for the first 4 minutes after detecting CO and then the cycle will repeat every one minute). Know how to respond to a CO
or Gas emergency. Periodically review this user's guide and discuss with all members of your family.
4-

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

1 Answer

My Kidde Nighthawk Carbon Monoxide detector was beeping shrilly and read gas. When pressed the reset button it read 221. Problem was it was sitting facedown in a box (i'd just taken it from my old...


A reading of 221 ppm carbon monoxide gas is a dangerous level that should be taken seriously. You could try a new battery and reset the detector. If in doubt, always err on the cautious side and have the apartment checked by a professional or by the local fire department.

A new carbon monoxide detector is a small investment that may prevent carbon monoxide poisoning or death.

Jul 22, 2010 | Kidde Nighthawk Combo Gas/co Detector

1 Answer

Carbon monoxide is on


When a Carbon Monoxide Detector alarm goes off, you should follow the procedures that came with the manufacturer manual. Even when the alarm sounds, you cannot smell, taste, or see this dangerous silent killer known as Carbon Monoxide.

Have your house checked by your local fire department for possible levels of CO gas readings. If this all checks out, you can go online to Kidde Nighthawk website and find the manual for your Carbon Monoxide detector model.

Hopefully, you found your solution since you posted this question back in Dec, 2008. Go to my website to read industry information and to view most Brands and Models of Carbon Monoxide Detectors.

Dec 16, 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

2 Answers

Alarm went off


I just had the same problem (second time in about two months this has happened). I went to the manual, as recommended, and they had this helpful bit of information:

Q. What do the numbers mean on the digital display when
I press the “Test/Reset” button?
A. The numbers you see when you press the Test/Reset button
are NOT a CO reading or a Gas alarm. This is a simulated reading
the alarm displays as it tests its electronics. The numbers displayed
when the Test/Reset button is pushed should be between
100 to 400 (usually around 200). These numbers are shown after
the “Gas” test is complete.

Then later, they give another helpful tip...if the system does not work as described, replace it immediately. Good advice. I wonder what manufacturer I'll try this time. Repeated false alarms render these things utterly useless.

Oct 17, 2007 | Kidde Nighthawk Combo Gas/co Detector

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