Was prompted to update Cura to 15.02.1 which I did and then to update the firmware which I also did. Then UM2 starts as 'new' so did setup, but when it came to the fine settings with a piece of paper under the nozzle for the front left and right positions the rotating button has no affect so cannot fine set!
There was not a rear left and right fine height setting either (think there was on last version installed).
Should I re-install firmware, if so how? or is it a bug?