Guest Steph C Posted November 10, 2021 Report Share Posted November 10, 2021 Hi All, I have a Deta 1151 smoke detector, and it was going off when I cam home last night. I thought it must be the battery, so I have purchased brand new Duracell batteries, replaced, and put back up, 5 mins after pushing the button to give me silence, its going off again. A neighbour is a fireman, and the fire engine just happened to come by this afternoon, so I got them to look at it - they did exactly the same as me, battery in, put it back up, and mains light was green, but red light would flash periodically, and then off it goes after 5 mins. Does anyone have any ideas? Date on the back is 2025. Unfortunately though, the fireman who fitted the battery didn't put the ribbon behind it, so I can't get the battery out to give myself some peace and quiet! Hope you can help to regain my sanity! Thanks Quote Link to comment Share on other sites More sharing options...
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