Determine if it is a unilateral account
1. The so-called unilateral account means that the transaction is not successful. Although the customer receives the debit memo, the money will not be paid to the merchant, and the money will be returned to the cardholder by the bank. If the card issuing bank returns to UnionPay or when the signal is terminated by UnionPay feedback POS, the POS will not receive the feedback signal, but at this time, the debit memo has been sent, which causes the cardholder to receive the message but the POS does not. The result of the purchase order.
2. At this point, you need to perform the punching operation on the POS machine. The card amount will be returned to the cardholder, and then the card transaction will be resumed.
The merchant did not receive the incoming SMS
The merchant did not receive the SMS message and thought that there was no settlement. This situation is very common and is one of the reasons why some merchants call after-sales. This is because the merchants UnionPay transfer funds sometimes do not have SMS reminders or delays for a long time, the account inquiry must be based on online banking.
Reminder: The arrival time is 9:00 - 18:00 on weekdays, and the arrival speed is related to the efficiency of the settlement bank. If you need it urgently, you can use it.
"T+0 real-time arrival" function.
POS machine payment company did not settle for merchants
That is, the bank has settled the credit card to the payment company, and the payment company has not settled the account to the merchant. In particular, this situation will only occur in the Erqing payment company. This will not happen if the payment company is regulated by the People's Bank of China and UnionPay.
At this point, you need to determine if your POS machine is a POS machine for the second payment company. (The use of the card friend's POS machine belongs to a cleaning machine, there will be no such problem~)
Customer changes settlement card or settlement card loss
Another situation is relatively rare, that is, the funds have been settled to the customer, the customer has changed the settlement card or the settlement card is lost, etc., and does not know that the payment company has settled it.
Check the settlement card information and check if the bank has not actually arrived.
Payment settlement data entry error
There is also a negligible situation, that is, the payment company's billing data entry error, this situation will only occur at the first settlement, because the billing information is entered incorrectly, so the payment company's payment cannot be transferred successfully.
All of these need to be remembered by all POS people.
Second, the POS accepts the bank card common problems and treatment methods, the serial number phenomenon reasons recommended processing method:
1. The POS displays “No dial tone†or “Please check the lineâ€.
Cause: The telephone line is not connected or the communication line is faulty.
Method: (1) Press the phone keypad and there is no sound, check if the phone line behind the POS is correctly inserted into the “telephone/network†jack;
(2) The telephone can be used to check if the telephone dial tone is audible;
(3) If you still have not solved, please find the communication line maintenance personnel.
2, POS multiple dialing and dialing delay after throwing the display "outside line no dial tone"; more occurs in the telephone extension line.
the reason:
(1) The extension line is not open or locked; (2) POS extension prefix setting is incorrect;
(3) The switch is unstable or malfunctioning;
(4) The center phone number is set incorrectly.
Method: (1) Contact the switchboard room and open the extension telephone line;
(2) Contact the installer as soon as possible to reset the extension prefix;
(3) Inform the electrician as soon as possible to solve the problem of the switch.
3. The POS displays “Line busyâ€.
Reasons: (1) Multiple POSs of large merchants share a limited number of telephone lines, which is prone to telephone crowding;
(2) The bank's background host is busy;
(3) The telephone line is busy due to a fault.
Method: (1) Wait a few minutes for the transaction;
(2) reducing the number of terminals connected in parallel on the same line;
(3) Please find the communication line maintenance personnel.
4. POS displays “Invalid Merchantâ€.
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