Table of Contents
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Code
Display
X5
DECLINED
SYSTEM ERROR
X6
BAD TID
INVALID
TERMINAL
X7
MAC ERROR
XC
MESSAGE ERROR
XD
INVALID
NUMBER
XO
NO RESPONSE
Description/Printed Text
Unable to connect
COMMUNICATION ERROR
Stored transactions
detected in terminal when
connected to POS
Incoming MAC error
MAC ERROR
Wrong Header Type or
response Message Type
NOT expected
MESSAGE ERROR
Presented Card failed LUHN
check on card read
INVALID NUMBER
No Host response
Cause/Action
•
Restart the terminal.
•
Retry the transaction.
•
Contact Linkly Support
if the problem persists.
•
Reconnect terminal
to the correct POS.
•
Restart the terminal.
•
Retry the transaction.
•
Contact the Merchant
Helpdesk if the problem
persists.
•
Restart the terminal.
•
Retry the transaction.
•
Contact the Merchant
Helpdesk if the problem
persists.
•
Ask for another form
of payment.
•
Tell the cardholder
to contact the card issuer.
•
Restart the terminal.
•
Retry the transaction.
•
Contact Linkly Support
if the problem persists.
103
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