——Transaction failed, please try again later. Bank communication failure, call the card issuer or network center. It means that the bank network system is unstable and the card swiping instruction cannot be delivered, so it fails. I hope it helps, and I hope you will adopt it.

Return 92 Transaction failed. You can try again later. This is a bank communication failure. You can also call the card issuer or network center.

——The number of incorrect passwords exceeds the limit. The number of incorrect password inputs exceeds the limit. In order to protect the interests of the cardholder by swiping the card at POS machine settlement, if you fail to enter the correct password three times in a row, the card issuing bank's system will automatically freeze the card. , automatically defrost after 24 hours.