Hello,

    While this should work without any problems, it sounds like there is something else not working with your M13.  Did you try another Australian PX2 to ensure it was not a bad power supply?  if yes, you will need to have the unit shipped back to the US for warranty repair.  See the following links for more information:

  Product Repair

  http://line6.com/community/docs/DOC-1606

   Line 6 Product Warranty

  http://line6.com/community/docs/DOC-4838

  Please let us know if you need further assistance, or close out the ticket as “answered” if your situation has been resolved.