Hi,
It may be that you have gone over the 24 hour data transfer limit of 3gb
per site which is in the terms and conditions (item 12 -
http://s-a-web.com/termsandconditions.htm)
The block expires automatically 24 hours after activation.
Let me know that answers things for you?
If not, email me (support "at" s-a-web.com) your log in id and the site and I will check
it out for you