@Beverley-1 You are not contacting sky Customer Service when you post on the Forum, and the one single light on does just not help, see the link below if that helps you!
This link below provides information about the coloured lights on the various hubs that can help to see what is going on! If the system is also Full Fibre then the lights on the OR/CF ONT also require to be looked at!
https://www.sky.com/help/articles/hub-lights-explained-start
