yes, i updated above it's all sorted.
had i gone there first, they would have replaced it without questions as it was still within the legal limit to do so.
i wanted to try and get it fixed for two reasons really, one, was thinking it would be quicker and also, wasn't sure if id done something stupid, that i may do again, and having a fix would be handy.
sadly from what foosnark says above, mine wasn't the only unit to suffer issues, however, it still does seem to be very rare so far
the black telharmonic, pete said in chat they were for the black gold cartesian system.
