Ah! So it appears that alternately flashing white and aqua lights may indicate an incoming message, when I had understood it to mean starting up sequence. I'll try logging into the router when I'm there next and see if that's the case. Many thanks.
Thanks for your reply:- Yes, it was working fine with a solid light for a couple of weeks and it seems to still be working to a degree now, because I was able to watch a youtube video with the aqua/white lights flashing on and off, so I don't underst...