Welcome to TPG Community!
We have located the account using your community details. We can see that your service has been installed and activated.
Everything appears to be okay on the NBN side as per our initial diagnostics, but the router is not communicating with the NBN box.
We want to make sure that the router is properly set up and this guide may help you: NBN Fibre To The Premise (NBN FTTP) Setup Guide
Let us know should you need further assistance. Thank you.