Guest Daniel Chin Posted November 9, 2021 Report Share Posted November 9, 2021 Early this morning our smoke alarm start to beep once every 40 seconds so as before, I followed procedure to replace the Duracell battery. After doing so however, the alarm now beeps once a second along with the flashing red light. I can't find any reference to this in user manuals or trouble shooting. Any ideas please? Quote Link to comment Share on other sites More sharing options...
green-foam Posted November 10, 2021 Report Share Posted November 10, 2021 Make, model and age of your smoke alarm would help. Quote Link to comment Share on other sites More sharing options...
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