If you begin a transaction with a UnionPay card, and you receive one of the following errors, you will need to perform an assisted UnionPay transaction:
DECLINED INVALID PIN
DECLINED SYSTEM PROBLEM
REFERRED CALL AMEX
DECLINED ACCT ERROR – RETRY
There are three types of assisted UnionPay transactions that you can perform on your terminal:
Click on the links to learn how to process an assisted UnionPay transaction.