You can take your case to a CAT (Civil and Administrative Tribunal). Your CAT will be VCAT https://www.vcat.vic.gov.au/
In regards to Consumer Goods the link within the VCAT site may be of help to you.
You can also avail yourself of free consumer legal advice that all States and Territories have. We have a small list on this site to help users find a Consumer Law centre in their area Free Legal Advice Centres
