Flashing Red Ring on Alexa: Reason and Get Solution some common reasons for a red ring Flashing on Alexa devices
Microphone Muted: Muted Alexa device arise the flashing red ring issues. This problem solved by pressing the microphone mic button to solve the Alexa red ring issues.
Wi-Fi Connectivity Issues You can also check the Alexa connectivity issues with Wi-Fi network because wireless connectivity also for blinking the red light on Echo device
Unresponsive Device
Alexa Overheating
Smart device Alexa Echo not responding also encounter for red ring light on Alexa Echo device, you need to check the reason for Alexa not responsive problem such as Echo dot won’t connect to WiFi
Overheating can also trigger a red ring on some Alexa devices.
Hardware Failure In rare cases, a red ring can indicate a hardware failure or malfunction
echohelpline.com