@Sarah167_ Wifi and the Internet are both different, you need to say if it is one or the other at the sky Hub level, this link below will help you work it out!
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
