Welcome to the Community!
For customers experiencing any issues with their ADSL service, we recommend the best thing to do first is check if there's an outage on the ADSL network.
Customer may visit our Service status page for the updates in regards to NBN or ADSL outage.
If there are no known outages in your area, customers can proceed with the troubleshooting steps indicated on this link : https://www.tpg.com.au/support/problems_connect_internet.php
In your case, we've detected a fault within the copper network and escalated it to our Engineering team for further investigation. An assigned Engineer will be in touch with you via SMS or phone call within 24 to 48 hours once an update becomes available.