I just thought I'd post up as I have just spoken to AIB and their self service online and phone banking services are currently down. They cannot give a definite time for them to be back up but said they expected it to be resolved within an hour.
"Technical difficulties have occurred. Please try later. (Ref : IB02). To find out more, please click on our Help & Information link on the left navigation."
and
"Technical difficulties have occurred. Please try later. (Ref: 2033)"