Hi Rog,
The answer is yes, or rather I should say the heater quadrant
was snagging the ribbon, it looks like the screen print you show was taken from the video I recorded in my office shortly after I'd removed the dash module, and I believe I'd disconnected the ribbon at the time which is why it looks like it does in the above image.
To solve any posibility of the ribbon catching the quadrant I used a cable tie around the plastic removable PCB back cover and through the ribbon loop itself which holds it neatly clear of everything but without stressing the ribbon, all connections were carefully checked on reassembly and I also made sure the cable tie safely cleared all components on the board side, sorry no photo to show this but hopefully my description makes sense to a seasoned PCB expert like yourself?
While I have for some reason temporarily lost the hazards I'm hopeful this will be a straightforward fix, and when I do pull the dash down again to look into this I plan to fabricate a removable switch stop so for the time being I physically can't go to fan speed two by accident. I’d recruit Richard’s services again to look into the speed two issue, however, in reality the first fan speed is more than powerful enough, the Morgan heater is furnace hot so I really only need fan speed one which has proved more than powerful enough to keep me toasty warm even with the roof down in winter.
One thing I've failed to cover in this post is the fantastic support I've received from Roger, his technical knowledge and words of encouragement by email have been absolutely invaluable!
Thank you Roger 
These cars have their little faults but in many ways for me this is all part of the ownership experience, call me a masochist but secretly enjoy such challenges. In this respect owning a Morgan is very much like owning a TVR as I did for 12 years, the self help community that exists around such cars is a wonderful thing we should all celebrate and give value to.
Clearly there are a number of approaches to solving the PCB problem and no doubt Roger's remote relay and toggle switch mod is one of the best, I think I can speak for us all when I express my gratitude for the time he’s invested in comprehensively explaining his solution in his excellent post. On this occasion I decided to go down the repair route which has proved mostly successful, and with the hazards sorted I will consider my PCB fixed with everything important working as it should, not bad for £36 and a couple of leisurely weekends work.
However, for me the ongoing reliability of this PCB remains in question so if it fails again I'll probably have one more go at a repair, with a view to fitting a Luigi Borghi analogue wired dash module if it then fails for a third time. The Luigi Borghi analogue wired dash completely deletes the PCB which to my mind has to make it the ultimate solution, sure it does need fitting at Luigi’s Morgan dealership in Milan but as Monty is a keeper I just view this as a great excuse for another continental Morgan road trip.
