Hi @Brendan1710 .
This might help. Manual configuration of router.
Getting the equipment yesterday might mean the NBN/TPG setup is still a day or so to complete.
The lights on the NBN box and router don't flash in normal operation. Which lights on your NBN box are flashing?
For newly installed services or modem/homephone that requires set up, I would recommend checking out this article:
I've managed to locate your account and have detected that your internet is now working. Should this not be the case, let us know of your most convenient time to receive a call so we can have our Tech team to assist you.