First Alert SA302 Dual System Smoke Detector "carbon monoxide beeps" Questions


I have a Kidde Carbon Monoxide Detector , How do I stop it from beeping every 25 - 30 seconds? replace the battery? hopefully it is not actually reporting carbon monoxide.


Question about Kidde Home

1 Answer

...carbon monoxide detector beeps once every 30 seconds, tried new batteries and it still does it. Tried blowing out dust and it still does it. You don't mention how old the detector is. If it is more ...


...carbon monoxide alarm keeps beeping every 30 seconds and we have put new batteries in it but it keeps beeping Detecotrs have a limited lifespan of 5-7 years. So sounds like you need new one (Its not ...

Question about First Alert Home

1 Answer

...carbon monoxide detector i have a new smoke/carbon monoxide detector and after battery has been in for few hrs, it starts to bleep, once every few minutes, changed battery several times, it has a ...

carbon monoxide detector Why is my 2 year old detector beeping 4 beeps with a pause and continue to do this? I had fire dept come check with no detection and the furnace repairman come in and we reset

Carbon Monoxide wired to the house, no battery, beeping The light is still green, which it says means it is safe, but it beeps twice every few minutes like a smoke alarm does when it needs batteries. ...

We lost our electricity yesterday and the detector keeps beeping. I hit the reset button and it quit for several hours but is now beeping again. Hit reset If your power is restored and it is still ...

Question about Kidde Home

1 Answer

beeping low battery chane your power supply or battery

Keeps beeping even after changing batteries. Model KN-COB-B Made in 2006 Can this be fixed or do I need to purchase another? Get one of the new 10 year models.

My Kidde carbon monoxide alarm keeps beeping every 30 seconds and I have put new batteries. Probably time to replace the unit as the do wear out

Not finding what you are looking for?
First Alert SA302 Dual System Smoke Detector Logo

87 questions posted

Ask a Question

Usually answered in minutes!

Top First Alert Home Experts

Brad Brown

Level 3 Expert

18072 Answers


Level 3 Expert

2591 Answers

Dan Apthorp

Level 3 Expert

2824 Answers

Are you a First Alert Home Expert? Answer questions, earn points and help others

Answer questions

Manuals & User Guides