...and reinstalling the theme has resolved it - sorry. Admin if you want to delete this whole thread as it is me talking to myself. 
Cheers
Dave
Cheers
Dave
Hi Dave,
I'm going to leave your post as others may find it useful.
Gareth
Moderator
I'm going to leave your post as others may find it useful.
Gareth
Moderator
In reply to Gareth J Barnard
Re: FontAwesome not showing Enlightlite 3.6.2 Moodle 3.6
Hello,
After re-installing the Enlightlite theme, I also ended up going into the Theme selector and clearing the theme caches. All was well after that.
Kurt