Electronics Repair Questions? Ask an Electronics Technician
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Depending on what make and model it is, there may be another backup battery that is low, or there may be some other trouble with the system that is causing it to beep.Can you see any markings on the alarm system at all?Are any lights showing on the control panel?Can you attach some photos of the alarm?
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Ahh ok so this is a Kidde alarm system - approximately how old is it?
The alarms will only work for 10 years from date of manufacture.
Once the alarm is 10 years old it will beep continuously until it is replaced, even if you put a fresh battery in it.
This is because the detector is no longer reliable after 10 years.
You can check the expiry date - it should be printed on the rear of the alarm.