No network also in Wicklow since Friday evening and no one can tell me what the problem is . 3 phones in our house on the network .
Working fine for me in Dublin now and all weekend.
As I mentioned above you probably need to contact 48 support.
See the link in my signature below.
Answering the questions that I asked above might also help.
This site is sometimes useful for monitoring local outages on Three and virtual networks such as 48 operating on their network:
Hope this helps.