posting this for a mate of mine has managed to do in three sxx v2s in within a month
heres a link to what he has posted on lrp site
http://www.lrp.cc/forum/viewtopic.php?f=13&t=8280
strange thing is it will run a v1 no problem but all the new ones he has updated the software on from v1.5 to version 3 And is wondering if thats whats causing the problem