Error Code 231

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Error Code 231: WARNING: CARD LEFT IN CARD READER

Resolution: Inspect the card reader for blockage. Clear any debris from the card reader. Reset the error. If the error persists, replace the card reader.

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National ATM Systems is an ATM ISO and full service ATM company. Our expertise and knowledge in the ATM industry has propelled us forward as an industry leader. Our strategic alliances with our ATM processors, ATM manufacturers, and other partners have allowed us to grow and maintain a level of service that exceeds the expectations of our customers.

Error Code 231

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