1, credit card limit is insufficient. Reduce the quota or apply for a higher quota.
2. The chip of the credit card is broken or demagnetized, which will also lead to unsuccessful credit card swiping. You need to bring your ID card to the bank counter to replace it.
3. The card is frozen. When the credit card is suspected of cashing out or the wrong transaction password is entered three times in a row, Guangfa Credit Card will be frozen by the bank. If the card is locked due to entering the password, it can be automatically unlocked the next day without handling.