Second, there is nothing wrong with the card and the TM machine is not good. If it is not connected to the network, the transaction will also fail.
Third, if you hold an IC chip credit card, because UnionPay has turned off the downgrade transaction function, if you still operate the transaction by swiping the card instead of inserting the card, you can't use it.
Fourth, bank cards do not support transactions. For example, VISA /JCB single logo cards do not support UnionPay transactions, nor do they support some online transactions.
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I savings cards (debit cards) are restricted for the following three reasons:
1. Incomplete information, restricted use. For example, if the bank card holder's ID card is not updated and the mobile phone number is invalid (stopped), the use of the savings card will be restricted to some channels, such as mobile banking and online banking, and can only be used at the counter.
2. The account is risky and restricted from trading. The bank will pass a series of monitoring, and if it finds that the customer's account is risky, it will take measures to restrict the transaction to ensure the safety of the customer's funds. In 2020 and 20021year, many bank card accounts were at risk of gambling and fraud, and their payments were stopped by banks.
3. Enter the wrong password for more than 3 consecutive times. In order to ensure the safety of the funds in the customer's account, the bank will restrict the transaction of the customer's account after the self-service machine and the electronic bank input the wrong password three times in a row. At this point, the customer must hold the ID card to the bank outlet to reactivate the password before using the savings card.
Second, credit card transactions are restricted.
On the surface, a credit card is a card, but in essence, it is a short-term microfinance tool, which can be consumed by swiping the card. Therefore, banks are also very strict in preventing credit card risks. Credit card transactions are restricted for four main reasons:
1. The transaction amount of the credit card in a certain payment channel has reached the upper limit, so the transaction is restricted in this channel at this time.
2. The customer has set a single transaction limit for the credit card. When the credit card consumption exceeds the set limit, the credit card will be restricted and the customer will receive the relevant SMS notification.
3. When the credit card is swiped, the bank detects a risky transaction, and will first restrict the transaction, and then contact the customer to confirm whether it is my transaction. If so, the risk is eliminated and the trading restriction is cancelled.
4. If the credit card consumption exceeds the available credit limit of the credit card, the transaction will be limited due to insufficient available credit limit.