Appliance has been unplugged and made safe. Almost sure the its caused by a build up of 'fluff' inside the unit. Had tried to remove the top by releasing the two screws at the back, but can find no similar screws on the front. Any ideas?

David Robb, January 2015

the smoke will be caused by build up ofluff near heater element to clear it remove heater cover at the back of machine you will see burnt fluff be carefull of heater element very fragile .to get top of not that you need to it just knocks back from front only 2 screws at back hold it , good luck

andy r, January 2015