1. The credit card chip is damaged or degaussed;

2. The customer has just received the new card and has not activated it yet;

3. The credit card has been Effective

4. Use single-label cards issued by foreign card organizations at UnionPay channels (such cards cannot be used on card machines);

5. Use;

6. The POS machine is malfunctioning, resulting in the inability to receive the signal;

7. The environment where the consumer merchant is located is not good, or

If the card has not been activated yet, then the customer must activate it The card can be used. If there is a problem with the card, the customer can only change the payment method first to restore the card to normal. For example, if the card is damaged or expires, the customer can go to the bank to change the account. Then the customer can change to a POS machine for transactions. , or change merchants for consumption, why does the credit card holder's extended information of the card itself fail to authenticate?

First: APP card opening authentication failed. If this is the case, you should not re-authenticate, first give Make a phone call to the bank customer service and choose manual service, explain the problem to the manual customer service, and they will find out the problem in detail and solve it for you

Second: During the card swiping process, the machine shows that the authentication failed, this aspect should be considered Whether there is an abnormality in your card, whether the new card is not activated, the consumption permission is not activated, or the cardholder authentication fails, you can check from the following aspects:

1. This is the error code returned by UnionPay , in general, only card transactions can be exchanged.

2. Check the card status. If the magnetic stripe card is often placed with a metal mobile phone, whether it has been demagnetized, whether it is an inactive card (here refers to a credit card), whether it is locked due to too many wrong entries. Card (referring to credit card in the end), you still need to call the bank customer service for confirmation.