Guest Daniel Chin Posted November 9, 2021 Report 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
green-foam Posted November 10, 2021 Report Posted November 10, 2021 Make, model and age of your smoke alarm would help. Quote
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