faq:troubleshooting_msg_invalid_check_digit
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— | faq:troubleshooting_msg_invalid_check_digit [2010/10/26 10:11 (14 years ago)] (current) – created cliff | ||
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+ | ====== Invalid Check Digit ====== | ||
+ | This is an error message that shows on the slip reciept. This message only happens when you type in a credit card manually. It means that you mistyped the number and then requested and authorization. | ||
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+ | ===== Does this message come from System Five, the processor, Mercury Payments, or elsewhere? ===== | ||
+ | This is a DSIClientX Specific (TCP/IP> Message from Data Cap. There are messages from System Five before you request the Authorization that also tell you the card was mistyped. This message is " | ||
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+ | ===== Why does it happen? ===== | ||
+ | Since the card number is not correct your processor will not process it. There is a formula used to calculate the last digit of the credit card. This digit is like a key that only works with the customers credit card. Since there is a formula, you don't get problems where when someone else with a simular card number transposes 2 digits of the credit you don't get charged for their purchase. It is not 100% perfect, but is very reliable. | ||
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+ | ===== Who does this apply to? ===== | ||
+ | This only applies when you manually enter a card number for authorization. | ||
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+ | ===== What causes this error? ===== | ||
+ | * A Mistake in manual entry of a card number. | ||
+ | * Please note there is a situation where if a card swipe is not configured correctly with the % prefix and you get a bad swipe this message can appear. | ||
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+ | ===== When does it happen? ===== | ||
+ | When you can't swipe the card and have to enter the card number manually. | ||
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+ | ===== Can it be prevented? ===== | ||
+ | Yes, easily. | ||
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+ | ==== If so, how can it be prevented? ==== | ||
+ | This problem can easily be prevented by double checking the credit card number before typing it in. | ||
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+ | ===== Is there any documentation available on this error? ===== | ||
+ | No external references found at this time Oct 25, 2010-cm | ||
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faq/troubleshooting_msg_invalid_check_digit.txt · Last modified: 2010/10/26 10:11 (14 years ago) by cliff