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Reviewed by Elena VolkovaSenior Editorial Reviewer — Electrical, Smart Home & Appliances
Who to call · San Jose

Smoke Detector Keeps BeepingSan Jose, California

A smoke detector that keeps chirping or beeping intermittently — even after battery replacement — may signal a wiring fault, a failing sensor, or an expired unit. Because smoke detectors are critical life-safety devices, persistent beeping should not be ignored. An electrician can test the circuit, replace hardwired units, and ensure your home meets current fire-safety codes.

Who to call

For this problem in San Jose, call a: Electrician

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Symptoms to look for

  • Intermittent chirping every 30–60 seconds
  • Beeping continues even after installing new batteries
  • Multiple detectors going off at the same time
  • Yellow indicator light instead of steady green
  • Detector is more than 10 years old

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