Wi-Fi disconnected

[Samanthi]

Suddenly just now the router disconnected and the property don't have WiFi connection. When I try to reconnect it gives an error message saying your connection has dropped. Can you explain why this is please 

thank you

[lettice]

Firstly, have a read of this posting on scheduled broadband maintenance;

https://helpforum.sky.com/t5/Broadband/Important-Notice-Scheduled-Broadband-Maintenance/td-p/5151847

Also, check there are no current outages in your area;
https://www.sky.com/servicechecker
If not, would be worth try running a line test;
https://www.sky.com/help/articles/broadband-diagnostic-start