Does the original poster mean that the transaction was unsuccessful?

To summarize for the poster, the reasons for unsuccessful transactions are as follows:

First, the card status is abnormal, such as the card is degaussed, the card is not activated, and the wrong number of passwords is entered. Too many have been locked, and the card has expired. It is recommended that the poster call his service hotline to confirm.

Secondly, there is no problem with the card. The POS machine signal is not good, and not connected to the network will also cause the card to be swiped. fail.

Third, the poster’s card does not support transactions. For example, the single-logo credit cards launched by his family, such as World Cup Credit Card, Transformers 4 Credit Card, Olympic Dragon Card, etc., do not support UnionPay transactions, so It cannot be used on POS machines issued by ICBC

Fourthly, if the poster holds an IC chip credit card, since UnionPay has closed the downgrade transaction function, the cashier will still operate the transaction by swiping the card instead of inserting the card. , it will also cause it to be unusable

Fifth, the credit limit is not enough. If this is the case, the host needs to pay back the money to the credit card before it can be used.

If the poster has any other questions, you can ask.