Thanks All.
I returned the Smart LCD to Gary at Golden Motor Canada and it tested fine at his end.
I'm wondering if the controller might be the problem - however, the USB Cable/Software works fine so I'm inclined to think the controller is fine as well. The bike itself is also working well.
The only other thought is if there's a compatibility issue with different revisions of the MP4/Smart LCD - I've contacted David as suggested and am awaiting his response.