Light flashing on nbn black device

[Froio2018]

The bottom light on my nbn device is flashing. The power and downstream are on but the upstream is flashing. My wi fi is not working, can you please let me know the cause and solution?
Thanks

[BasilDV]

Hi @Froio2018,

Welcome to TPG Community!

We were able to locate your account using your community details and understand that you've contacted our Tech team yesterday.

The case was escalated to our Engineering team and an NBN technician visit was requested for further investigation.

Updates will be given by your assigned Engineer once available.

Should you require further assistance, please let us know.

Regards,

BasilDV