1. This is the bank's anti-cashing setting. The same credit card should not be swiped continuously on the same pos machine. If this happens, the banking system will judge that the user is illegally cashing out.
2, when using at least a certain time interval, the interval length is different. Prompt to stop payment or change the card in time. If it is handled, stop payment or reduce the amount directly, both the merchant and the card owner will suffer losses. So pay attention to the time interval when using.
Extended data:
Other problems and reasons of POS terminal:
Swiping a card on a mobile pos device means that the card issuer is not allowed to conduct transactions at the client:
Due to manual background jump, most of them jump to county and township preferential business, life business and hat business, and the cards used at ordinary times are unreasonable, which leads to the card being restricted to this kind of business by the issuing bank.
Swiping a card on a mobile pos device means that the card issuer is not allowed to conduct transactions at the client:
Because the background of hand-brushing is card skipping, the merchants who jump cards when swiping cards are likely to be blacklisted by the issuing bank they hold, and all merchants who change cards are limited to this merchant.