The reasons are: 1. Transactions suspected of cashing out;

2. If the credit card balance is insufficient, the credit card payment amount exceeds the single/daily/monthly payment limit, the credit card The card is suspended, etc.;

3. There is a risk of credit card being stolen;

4. Due to the card issuer, sometimes the card issuer refuses payment because the card issuer refuses the transaction;

5. Network or equipment failure. The official website of Kuaiyidai opens an account with one click and Ruyi Baohui selects financial products

Other reasons:

1. The customer’s card consumption was suspected of cashing out, and the transaction amount may be a whole Because the amount was large; or the card was frequently swiped at the merchant before; or the card was swiped outside the regular business hours of the merchant, such as early morning or midnight.

2. There is a problem with the POS machine for swiping cards, and code hopping occurs.

3. The merchant where the customer purchases is irregular and has been blacklisted by the bank.

: When I swipe my card on the POS machine, it shows that this card cannot be used for transactions.

1. System maintenance. Payment companies and banks will perform system maintenance or upgrades from time to time. If it is a payment During the company's system maintenance, the transactions will not be successful, and it usually takes a few hours to a day before the card can be swiped normally; similarly, if the issuing bank of the bank card you hold is maintaining the system, then the card will not be swiped temporarily. Come out and change to another bank card. Wait until the bank system maintenance is completed and you can swipe the card normally.

2. There are too many wrong passwords. Many people often change the passwords of their bank cards, or there are many cards, and the passwords of some cards are inconsistent. They often forget their passwords. If they enter the wrong password multiple times on the POS machine, the payment company will In order to control the risk of fraudulent transactions, card swiping will be restricted. In this case, you need to use a different bank card. The restricted card can be used for normal transactions the next day.

3. Below the minimum limit. Some payment companies will have a minimum limit on the amount of each card swipe, such as a minimum of 10 yuan. If you only swipe a few yuan or even a few cents, there will be a swipe. Not coming out.

4. The number of card swiping exceeds the limit or frequent transactions. Nowadays, many people will use POS machines to swipe their cards. The same card can be swiped at most twice a day at the same merchant. If it is swiped again, it will definitely not be able to be swiped. , in this case, just change a card or change the merchant and swipe again.