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I have a Kidde AC Combination CO/Gas Alarm Model # 21006677 and it keeps on beeping when i go to look at it, its blinking a dot, so i reset it and it was blinking Lb then 214 back and forth. Then it goes back to zero. But every now and then i beeps again. what do i do?

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Contact Kidde, they have instructions on the internet and a phone support number. http://portalgb.knowledgebase.net/display/4/kb/article.aspx?aid=295593&n=1&docid=111710&tab=search

Posted on May 31, 2010

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Alarm went off but no smoke was found and no other smells were detected. I do not believe that there was CO present. All the units were activated. after a period of time they stopped. This occurred 3 times...


http://www.kidde.com/Documents/User-Guide-900-0102-A-ENG.pdf Remember that smoke take presidence over C/O detection so notice whats going off first . LED Indicator Operation
Red LED
The red LED will flash as described below under the following
conditions:
--During smoke or CO alarm, with every beep
--During testing (same as alarm)
--Low battery, single flash with chirp
--End of product life, double flash every 30 seconds with chirp
--Unit error mode, single flash with chirp
--Unit error mode, a Fault Code is flashed every 30 seconds (can
be observed and reported to customer service for
troubleshooting. Above is the user guide.

Sep 09, 2013 | Kidde 9000102 Night Hawk Combination...

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

My carbon monoxide alarm is beeping this has never happened before...what should I do? The red light is flashing...Had work done on my heating unit earlier today.


Your description sounds like the main alarm is not activated - good, the beeping and flashing light may be that the AC supply is switched off or the internal battery is needing replaced.

The AC supply may have been disturbed with the earlier work.

If in any doubt , do not operate the heating unit until your alarm is working happily.

Feb 13, 2011 | Kidde Nighthawk Combo Gas/co Detector

1 Answer

Kidde nighthawk carbon monoxide detector started beeping every 30 sec.pressed reset button on front beeping continued louder, put unit ouside in fresh air for few secs beeping stopped. I opened the...


Golding93, you could very well have elevated levels of CO in your home. You should leave your house immediately and call the fire department. However, if your CO alarm is 7 years old, it could also be the alarm's end-of-life warning. Regardless, you should definitely call the fire department to have everything checked out. If you need additional assistance with your CO alarm, please call our customer service line at 1-800-880-6788. Thanks for being a Kidde customer. We appreciate your business!

Crystal Robinson
PR Coordinator
Kidde

Dec 20, 2010 | Kidde Nighthawk Combo Gas/co Detector

1 Answer

Nighthawk carbon monoxide alarm model KN-COPP-3. ( ERR appears in the window, what does this mean ....


Readings You May See When Unit is AC Powered
Display Shows Alarm Sound Unit Status Recommended Action
Steady "Err" "Chirp" every Unit malfunctioning when Call KIDDE customer
and flashing dot 30 seconds AC powered service at 1-800-880-6788
Readings You May See When Unit is on Temporary Battery Backup
Display Shows Alarm Sound Unit Status Recommended Action
Flashing dot None Normal battery-only operation - Plug in to AC as soon as
unit will show reading only if it possible to conserve battery
senses CO
Flashing dot and "Chirp" every Unit malfunctioning when Call KIDDE customer
"Err" 30 seconds battery powered service at 1-800-880-6788

Hope this helps. Manual is here:
http://www.detectorsandalarms.com/images/pdf/Manual_KN-COPP-3_900-0100en.pdf

If this helps you resolve your problem, please consider giving a good rating and a quick thanks or good job.It will help me as well Thank you.

Oct 26, 2010 | Computers & Internet

3 Answers

Periodically emits 3 loud beeps. Displays 888.


The CO detectors require replacement of the battery periodically.

Unlike smoke detectors, the detector element itself also requires replacement as well as the battery and is sold as a module with the battery attached.

May 02, 2010 | Kidde Nighthawk Combo Gas/co Detector

1 Answer

Kidde CO alarm keeps beeping every 15-20 seconds. How do i fix it


Hi,

Try changing the batteries and cleaning it.

If that does not do the trick, you have to get it serviced/repaired.

Cheers
TeaCii
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Real security guard to watch your cctv for $1/day

Mar 30, 2010 | Kidde Nighthawk Combo Gas/co Detector

1 Answer

KIDDE Nighthawk Carbon Monoxide alarm beeping


If detector is more then 5 years old it will beep every 30 seconde to worn you the sensor in the detector needs to be replaced. bying a new detector would be better.

Jun 03, 2009 | Kidde Nighthawk Combo Gas/co Detector

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