Has your Samsung washing machine melted anywhere? For instance, the plastic guard that surrounds the tub? Does some of your washing have burn marks on it?
Then contact the electrical safety office and office of fair trading in your state to report it. Also, contact Samsung on 1800 239 655
This report from Choice is exactly what happened to my machine: https://www.choice.com.au/home-and-living/laundry-and-cleaning/washing-machines/articles/samsung-washing-machines-recall-replacement-problems-241115