Can't Link Your Fire TV and Alexa Device

Your Alexa-enabled device doesn't connect to your Fire TV.

Make sure that your Alexa-enabled device and Fire TV are registered to same account.
Check that your Alexa-enabled device and Fire TV are on the same Wi-Fi network.
Make sure that your Fire TV and Alexa app have the latest software version.
Force close the Alexa app.
Restart your Fire TV and Alexa-enabled device.