In order to make it easier for family members to swipe their cards for consumption, many users will choose to apply for supplementary cards for them. After downloading the card, they only need to activate it to swipe the card. However, when using a credit card supplementary card, you often encounter situations where you cannot swipe the card. , there are many reasons for this. Below, the editor will introduce them one by one.

1. The status of the main card is abnormal. The supplementary credit card is attached to the main card. If the status of the main card is abnormal, for example, due to abnormal transaction behavior and being controlled by the credit card application platform, resulting in the credit card being blocked or frozen, the supplementary card will definitely not be able to be used. Card consumption operation. The user needs to restore the normal transaction status of the main card before it is possible to resume the use of the secondary card.

2. Credit card merchants are restricted. If the supplementary card is swiped to a merchant on the bank's blacklist, and the consumer merchant is prompted to have a limit, normal card consumption will not be possible. At this time, it is recommended that users switch to another type of merchant for consumption, or change the payment method, and the transaction may be successful.

3. Insufficient available quota. The secondary card and the primary card share the same quota. If the primary card does not have an available quota, such as swiping the card for consumption or applying for installments, and using the secondary card for consumption, you will naturally not be able to conduct transactions. If you want to swipe the card, you can only ask the primary card. The cardholder applies to the bank for a limit increase, or pays off the balance to restore the limit before swiping the card.

4. The credit card limit is limited. The primary cardholder can set a credit limit for the secondary card at any time. If the secondary card's consumption reaches the set limit, even if the primary card still has a credit limit, no more purchases can be made with the card. In this case, the primary cardholder can only increase the swipe limit of the secondary card, and then the user can perform swipe card consumption operations.

5. The credit card is damaged. For example, if the supplementary card is degaussed or the chip is damaged, the card cannot be read normally, resulting in the inability to swipe the card for consumption. At this time, the main cardholder can report the credit card as lost and reissue it. At this time, the new card number, validity period, security code and The old cards are all different.

In short, there are many reasons why the supplementary credit card suddenly cannot be swiped. Users can compare the above situations to find out the reason why their credit card cannot be swiped for consumption, and then seek solutions. In addition, users also need to pay attention to their card usage behavior, maintain good card usage behavior, and repay in full and on time, so as to maintain their personal credit qualifications and ensure that their credit cards can be used normally.