balance inquiry
Banking term for checking the balance of an account, often used in the context of ATMs or online banking.
When I did a balance inquiry at the ATM, it was less than I expected.
残高 means 'balance' (amount remaining), while 残高照会 specifically refers to the act of checking that balance.
照会 means 'inquiry' or 'reference' in general; 残高照会 is a specific compound for balance inquiry.
Compound of 残高 (balance) and 照会 (inquiry).