Read the Soliforums, disassemble the hot end and clean it with acetone and/or a torch. Worked for me. Or consider ordering another hot end like the E3D one. Solidoodle support is famous for not giving proper advice out of fear of liability. If you don't intend to keep it, don't forget that because of shipping costs and time delays, a solidoodle will still fetch a decent amount of money on the second hand market. Just contact your local hacker space and you will probably find someone to take it off your hands.