Why didn't the credit card arrive when I swiped the card?
During the credit card consumption of 1, the network was unstable, and UnionPay suspended the transfer operation. In this case, the credit card limit has not been deducted, and the credit card limit is still in a normal state.
2 The payment system is being maintained or upgraded, and there will generally be a prompt that the credit card is invalid. If the credit card is invalid, you need to swipe it again to get the account.
3POS machine setting arrival time problem. Some POS machines do not arrive at the account in real time, but at T+ 1 or other time. In this case, it is often necessary to wait until the specified time before the funds can arrive.
Under normal circumstances, if the funds are not received after credit card consumption, if it is because of the bank, the bank will often return the funds to the credit card account after recovery.