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What does it mean when my kidde carbon monoxide shows 888

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

szanti
  • 36 Answers

SOURCE: kidde nighthawk Carbon Monoxide & Smoke Alarm single beeps

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

Posted on Sep 28, 2009

TeaCii
  • 90 Answers

SOURCE: My Kidde carbon monoxide alarm beeps once every 35

Hi,

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.

Cheers
TeaCii
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Posted on Apr 23, 2010

getyourfix
  • 43 Answers

SOURCE: My nighthawk Kidde carbon monoxide detector keeps

Some models of Carbon Monoxide Detectors will give an audible beep every 25-30 seconds after it has sounded an alert alarm. This may have happened when there was noone home to hear it. A periodic beeping sound may also indicate it is time to change the battery.

Solution: Install a new battery and check your manual for instructions on how to reset the system. Check the expiry date on your unit, it needs to be replaced after 5 to 7 years, according to the manufacturer specifications.

If you are in doubt that your Carbon Monoxide Detector is not working effectively, REPLACE IT. Your safety and your peace of mind is worth it.
View most Brands and Models of Carbon Monoxide Detectors online.

Posted on Jul 27, 2010

  • 1082 Answers

SOURCE: our kidde battery operated Carbon Monoxide

Relocate it to an area of fresh air - outside will work.. Does it still beep?
If yes, recover the new battery and toss the unit.

Do you have it located in a steamy damp area? Laundry room, bath room etc.. That will cause it to malfunction too..

Posted on Dec 03, 2010

  • 4736 Answers

SOURCE: I tested my digital carbon

When you pressed pressed the Test button, it did exactly what it should. It was testing itself and the one set of numbers was for co and the other was for gas, The ' 0' means it tested fine and there is no presence of gas or co in the home's atmosphere at this time. :)

Posted on Mar 07, 2011

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1 Answer

I hve a number J90 on my detector what that means


Kidde AC Plug in Operated Carbon Monoxide AlarmKN COB LCB

The above link is to get a copy of the user guide. However, it does not show anything regarding an error code J90...in fact, I can find no reference to this code on the Kidde website. You would be well-advised to call their support number or contact them through their website: "Call our Product Support Line at 1-800-880-6788 or contact us at our website at www.kidde.com". If you get a definitive answer it would be nice if you would post it here for others to see. Thank you.

Apr 11, 2015 | Kidde Kiddie - Nighthawk Kn-cob-lcb-a Fire...

1 Answer

I tested my digital carbon monoxide detector and it flashed 888 and then flashed 248 and then back to 888 and reset back to 0. what does that mean.


When you pressed pressed the Test button, it did exactly what it should. It was testing itself and the one set of numbers was for co and the other was for gas, The ' 0' means it tested fine and there is no presence of gas or co in the home's atmosphere at this time. :)

Mar 07, 2011 | 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

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

1 Answer

WE PURCHASED A NIGHTHAWK CARBON MONOXIDE ALARM TWO YEARS AGO FOR $50.00. THE OTHER EVE. IT WENT OFF WITH A CODE THE SAID ERROR AND THEN WHEN I RESET, IT SAID 888....IS IT SHOT OR IS THERE SOMETHING WE CAN...


I had this problem as well...and if you look at the date of manufacture on the back of the unit and it's more than 7 years old then the unit is out of warranty and needs to be replaced. If you have a receipt from wherever you purchased it proving that you only owned the unit for a few years, then they will replace it at no charge. Call the Kidde customer service # at 800-880-6788. Good Luck!

Feb 16, 2010 | Kidde Home Security

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

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

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