Question about Kidde Kiddie - Nighthawk Kn-cob-lcb-a Fire Carbon Monoxide Alarm

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I hve a number J90 on my detector what that means

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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.

Posted on Jun 14, 2015

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Posted on Jan 02, 2017

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SOURCE: I have a number J90 on my detector kiddie night hawk what that means

Change the battery and see if that fixes it.

Posted on Apr 11, 2015

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