Spectrum Router lights are used to indicate whether the modem is working correctly, whether it’s on, whether it’s connected to the internet, a home network via Ethernet, or Wi-Fi. A blinking red light indicates connectivity issues, so; you need to check your connection. When you see a blue light flaring along with the red light, do not interrupt the device's functioning. If the red light is solid, it indicates that there are disruptions in the power supply due to which the device would fail to reach its normal operating state.
