@Saki Wireless wifi or the Broadband Internet? Both are different, see the link below and say what you see.
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
