AIB says it's still trying to fix a technical problem - which has affected thousands of customers.
The bank says issues are persisting with its customers using debit cards to try to take money out from the ATM machines of other banks.
Technicans are investigating the problem - which it's believed has been caused by a third party service provider.
AIB customers with debit cards have been unable to use ATMs at other banks for the last two days.
But, yesterday, the problem extended to AIB machines.
Cards which tried but couldn't withdraw the daily limit of 600 euro from other banks' - were then being rejected by AIB machines.
However, the daily limit was reset at midnight and a spokesperson for the bank says this problem has now been fixed.
AIB says anyone who's still having problems should get in touch with the bank's 24 hour banking number 01 269 50 22
