Smoke Detector Chiruping
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saki
Tradesman
Tradesman
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Joined: Tue Aug 19, 2008 10:08 am

Smoke Detector Chiruping

by saki » Sun Jan 26, 2025 1:46 pm

Hope this is the correct forum for this question. I have two wired smoke detectors in upper and lower hall. They have the usual 9v battery back-up. Due to the recent storm our power has been switched off several times for many hours. The smoke dtector in lower hall began chiruping after two hours which I assumed meant the battery was low. The detector in upper hall was silent. When the power was restored I expected the low battery warning would continue but to my surprise it fell silent immediately the power came back on. This happened at every power off/on sequence. I'm going to replace the battery anyway but confused as to why the chiruping stops when power is restored. Am I misinterpreting the situation?

It is currently Sun Jan 26, 2025 1:47 pm