The answer to 'smoke detector buzzing noise' is that a buzzing smoke detector is usually caused by a low battery or an issue with the device itself. This can be a sign that the smoke detector needs to be replaced or repaired. Homeowners should first check the battery and replace it if needed, then test the smoke detector to see if the buzzing stops. If the buzzing persists, it's best to call a professional electrician to inspect and repair the smoke detector.
Smoke detectors are an essential safety device in the home, so it's important to address any issues promptly. Ignoring a buzzing smoke detector can be dangerous, as it may not function properly in the event of a fire. Calling a professional electrician is recommended if the issue cannot be resolved through a simple battery replacement.