What does error code “4030” mean? Thaabit Mollagee March 08, 2016 13:57 Updated Follow Error 4030 is an Error Validating PAN(Primary Account Number) Value. Related articles Where can I find a complete list of Wirecard response codes? What does a 503 error mean? I receive an error “merchant not participating", what does this mean? Comments 0 comments Please sign in to leave a comment.