Hey, all is not lost - see here - 3rd post down!
http://www.mig-welding.co.uk/forum/showthread.php?t=31581
The best part goes like this:-
"even the rotary function switch got changed while I was in there (also from Maplin for about 2 quid)"
Sounding promising, even to a pessimist like myself!
All the Best,
CJ
cheers cj ill get on the case on monday, regards, stanman