The answer to 'flickering smoke detector' is that a flickering or blinking smoke detector is usually caused by a low battery or a problem with the electrical connection. This can be a common issue, but it's important to address it promptly to ensure your home's safety.
Smoke detectors are designed to blink or flash periodically to indicate that they are functioning properly. However, if the blinking or flickering becomes more frequent or erratic, it could be a sign of a problem. The most common causes are a low battery, a faulty electrical connection, or an issue with the smoke detector itself.