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Electrical

How to Fix a Smoke Alarm That Won't Stop Beeping

Quick Answer

Replace the battery, clean the alarm, and check the expiry date.

How to troubleshoot a Smoke Alarm That Won't Stop Beeping

A smoke alarm that won't stop beeping can be annoying and indicate a problem. This guide covers diagnosing and fixing the issue.

Step-by-Step Fix

  1. Replace the battery with a new one.
  2. Clean the alarm with a vacuum to remove dust.
  3. Check the expiry date of the alarm.
  4. If the alarm is expired, replace it.
  5. If it still beeps, replace the alarm.

Common Error Codes

CodeMeaningResolution
Constant beepFaulty alarmReplace the alarm.
Intermittent beepLow batteryReplace the battery.

Frequently Asked Questions

Why won't my smoke alarm stop beeping?

A low battery, dust, or a faulty alarm.

How long do smoke alarms last?

10 years from the date of manufacture.