February 15, 20215 yr comment_19288 I bought a new home with the deta smoke alarms fitted in 2017, one alarm started chirping, so replaced the battery with a 9v Varta battery. When I replaced it and flipped the fuse on the box it started alarming straight away setting the whole house off - rather annoying, so I removed battery and replaced and again alarm sounding. Am I doing something wrong? Report
February 15, 20215 yr comment_19300 Check out the manual - it might help you and if not has manufacturer contact details to ask them direct. http://www.detaelectrical.co.uk/images/downloads/products/safety_alarms/Instructions/INS_0066_V1.1_-_Smoke_Heat_Alarm_Instructions.pdf Report
February 15, 20215 yr comment_19304 It does appear that the detector has developed a problem, as you say, it is not supposed to do that. As there are no user serviceable parts all you can do is change it. I would also suggest you consider changing it to an optical smoke alarm as they are better, you could of course call DETA on 01582 544 548 Report
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