Guest Marie Posted April 2, 2021 Report Share Posted April 2, 2021 Our CM tester was beeping loudly so I changed the batteries and now it’s stopped. Does that mean it’s actually ok? It’s 2:30am but don’t know if we should get the kids out the house or go back to sleep??? Quote Link to comment Share on other sites More sharing options...
green-foam Posted April 7, 2021 Report Share Posted April 7, 2021 If you CO detector stops beeping after you have changed the batteries, and so long as it operates when the Test button is pressed, and it is not past its life expectancy date, all is well. Quote Link to comment Share on other sites More sharing options...
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