Finn:

I suspect you've gone thru the search facility here, but I'll post this anyway:

http://www.peachparts.com/shopforum/search.php?action=showresults&searchid=523200&sortby=lastpost&sortorder=descending

A member named DPETRYK has had much to say about his trials and tribulations. It seems using a different cleaner helped him. One pro tech mentioned supplying an exciter charge in one of these threads.

Good luck.