Because the POS machine reads the bank card information by reading the magnetic stripe or chip of the bank card, if the POS machine prompts that the bank card cannot be recognized, it may be because the bank card is demagnetized or the POS machine reads the information incorrectly! You can try changing a card. If it is still unrecognizable, it may be a problem with the POS machine. If it can be read, it is that the bank card has been degaussed!

Zhuo Juan's secondary card can't be paid, either because the limit of the bank card has reached the upper limit or because the secondary card of the bank card has been restricted by the card owner. Usually, this situation needs to communicate with customer service staff in time to determine the specific reasons for the restriction, so as to solve it according to the situation.

1. Zhuojuan Card is a card for international students.

Zhuojuan study abroad credit card is a platinum card that meets the international EMV chip standard. Formerly known as Great Wall International Zhuojuan Card, it has been renamed Zhuojuan Study abroad Credit Card. This series includes Zhuojun's USD credit card and MasterCard for studying abroad, Zhuojun's VISA USD credit card for studying abroad, Zhuojun's GBP credit card for studying abroad, Zhuojun's Euro credit card for studying abroad and Zhuojun's travel credit card for studying in Australia, which are mainly for families, students and parents studying abroad. The products are mainly platinum, namely VISA and MasterCard brands. Cardholders can enjoy the financial services for studying abroad carefully created by Bank of China, as well as the Platinum Card Customer Service Line and points redemption.

Second, bank cards have restrictions on secondary cards.

Generally speaking, the supplementary card of a bank card is limited, which refers to one supplementary card among multiple bank cards under the same account. Generally speaking, the credit limit of the secondary card is also subordinate to the total credit limit of the primary card. Although the initial setting of the bank is that the credit lines of the subsidiary cards of the main card are the same, users can reset the credit lines of the subsidiary cards.

To sum up, Zhuojuan Card is a credit card for international students. This card can be divided into a primary card and a secondary card. Only the master card can set the business of this credit card. If the secondary card cannot be used, it is generally caused by the cardholder's settings, and the business card maker needs to go to the bank to solve it. It is suggested that you should not tell others your bank card information in your life to prevent economic losses. If you lose your card, you must call as soon as possible to freeze it and then replace it.