hi mark mine had the same problem, first it was just makin a noise then it stopped workin altogether. had it checked the guy said there was water gettin into the motor? not sure where from. he cleaned it and dried it out, its workin again but still makin a noise. will have to ge it replaced sometime.
let me know how u get on.
ps u were one of the first to post on my thread- short term memory loss?? lol