| Nr | Response Code Description | Action |
| 00 | Approved or completed successfully | |
| 01 | Refer to card issuer | Client Contact Issuing Bank |
| 02 | Refer to card issuer, special condition | Client Contact Issuing Bank |
| 03 | Invalid merchant | Contact Nexion help desk 0861 639 466 |
| 04 | Pick-up card | if not hostile keep the card |
| 05 | Do not honour | Client to contact Issuing bank |
| 06 | Error | Error Cable faulty, Connection Config wrong |
| 07 | Pick-up card, special condition | If not hostile keep the card |
| 08 | Honour with identification | Confirm clients ID |
| 09 | Request in progress | Wait for transaction completion |
| 10 | Approved, partial | |
| 11 | Approved, VIP | |
| 12 | Invalid transaction | incorrect information (Invalid Budget period) Redo transaction |
| 13 | Invalid amount | Invalid amount for budget period incorrect amount / Redo transaction Budget amount |
| 14 | Invalid card number | wrong pin / Re Insert Pin |
| 15 | No such issuer | |
| 16 | Approved, update track 3 | bank is back online |
| 17 | Operator Cancelled | |
| 18 | Customer dispute | Client to contact Issuing bank |
| 19 | Re enter transaction | Re enter Transaction |
| 20 | Invalid response | Software issue/ restart machine. Contact Nexion Help Desk on 0861639466 |
| 21 | No action taken | |
| 22 | Suspected malfunction | |
| 23 | Unacceptable transaction fee | |
| 24 | File update not supported | bank is offline |
| 25 | Unable to locate record | bank is offline |
| 26 | Duplicate record | |
| 27 | File update edit error | bank is offline |
| 28 | File update file locked | bank is offline |
| 30 | File update failed | bank is offline |
| 31 | Bank not supported | |
| 32 | Completed partially | reprint to verify |
| 33 | Expired card, pick-up | |
| 34 | Suspected fraud, pick-up | |
| 35 | Contact acquirer, pick-up | |
| 36 | Restricted card, pick-up | |
| 37 | Call acquirer security, pick-up | |
| 38 | PIN tries exceeded, pick-up | |
| 39 | No credit account | no money/or debit card |
| 40 | Function not supported | invalid entry |
| 41 | Lost card (Contact Bank) | |
| 42 | No universal account | small bank not international |
| 43 | Stolen card | Contact Bank |
| 44 | No investment account | Contact Bank |
| 51 | Not sufficient funds (Client to Contact Bank) | Contact Bank |
| 52 | No check account | |
| 53 | No savings account | |
| 54 | Expired card (Contact Bank) | Contact Bank |
| 55 | Incorrect PIN | |
| 56 | No card record | bank is offline / Retry later |
| 57 | Transaction not permitted to cardholder | trying to access accounts that the person does not have |
| 58 | Transaction not permitted on terminal | terminal is not setup for the function |
| 59 | Suspected fraud | |
| 60 | Contact acquirer | contact bank |
| 61 | Exceeds withdrawal limit | contact bank |
| 62 | Restricted card | contact bank |
| 63 | Security violation | input error |
| 64 | Original amount incorrect | |
| 65 | Exceeds withdrawal frequency | |
| 66 | Call acquirer security | |
| 67 | Hard capture | |
| 68 | Response received too late | redo transaction |
| 75 | PIN tries exceeded | |
| 77 | Intervene, bank approval required | contact bank |
| 78 | Intervene, bank approval required for partial amount | contact bank |
| 90 | Cut-off in progress | |
| 91 | Issuer or switch inoperative | Check internet connection or Contact Nexion Help Desk on 0861 639 466 |
| 92 | Routing error | restart |
| 93 | Violation of law | not legal |
| 94 | Duplicate transaction | reconcile |
| 95 | Reconcile error | |
| 96 | Communication System malfunction (Communication Error between Terminal & Radio pad or Modem) fast net/wise/network-IT | |
| 97 | Communication Error – cannot connect to Internet | Check Internet connection |
| 98 | Exceeds cash limit | |
| 76 | Approved country club | |
| 77 | Approved pending identification | |
| 78 | Approved blind | |
| 79 | approved administrative transaction | |
| 80 | Approved national negative file hit OK | |
| 81 | Approved commercial | |
| 82 | No security module | |
| 83 | No accounts | |
| 84 | No PBF | |
| 85 | PBF update error | |
| 86 | Invalid authorisation type | redo transaction |
| 87 | Bad Track 2 | bank offline |
| 88 | PTLF error | |
| 89 | Invalid route service | |
| N0 | Unable to authorise / Card type incorrect i.e. Credit not Debit please redo as correct type | Contact Nexion Help Desk 0861 639 466 |
| N1 | Invalid PAN length | |
| N2 | Preauthorisation full | |
| N3 | Maximum online refund reached | limit exceeded |
| N4 | Maximum off-line refund reached | limit exceeded |
| N5 | Maximum credit per refund | limit exceeded |
| N6 | Maximum refund credit reached | limit for refund |
| N7 | Customer selected negative file reason | possible bank issue |
| N8 | Over floor limit | |
| N9 | Maximum number refund credits | |
| O0 | Referral file full | |
| O1 | NEG file problem | |
| O2 | Advance less than minimum | |
| O3 | Delinquent | |
| O4 | Over limit table | |
| O5 | PIN required | debit card holder needs to enter PIN |
| O6 | Mod 10 check | |
| O7 | Force post | |
| O8 | Bad PBF | |
| O9 | NEG file problem | Card holder to contact bank |
| P0 | CAF problem | Card holder to contact bank |
| P1 | Over daily limit | |
| P2 | CAPF not found | |
| P3 | Advance less than minimum | |
| P4 | Number of times used | |
| P5 | Delinquent | |
| P6 | Over limit table | |
| P7 | Advance less than minimum | |
| P8 | Administrative card needed | |
| P9 | Enter lesser amount | |
| Q0 | Invalid transaction date | wrong date/check machine |
| Q1 | Invalid expiration date | |
| Q2 | Invalid transaction code | |
| Q3 | Advance less than minimum | |
| Q4 | Number of times used | |
| Q5 | Delinquent | |
| Q6 | Over limit table | |
| Q7 | Amount over maximum | |
| Q8 | Administrative card not found | |
| Q9 | Administrative card not allowed | |
| R0 | Approved administrative request -in window | |
| R1 | Approved administrative request -out of window | |
| R2 | Approved administrative request -anytime | |
| R3 | Chargeback-customer file updated | |
| R4 | Chargeback-customer file updated -acquirer not found | |
| R5 | Chargeback-incorrect prefix number | |
| R6 | Chargeback-incorrect response code or CPF configuration | |
| R7 | Administrative transactions not supported | |
| R8 | Card on national negative file | |
| S4 | PTLF full | |
| S5 | Chargeback-approved, customer file not updated | |
| S6 | Chargeback-approved, customer file not updated, acquirer not found | |
| S7 | Chargeback-accepted, incorrect destination | |
| S8 | ADMN file problem | |
| S9 | Unable to validate PIN; security module is down | Contact Nexion Help Desk 0861 639 466 |
| T1 | Invalid credit card advance amount | |
| T2 | Invalid transaction date | input error |
| T3 | Card not supported | |
| T4 | Amount over maximum | |
| T5 | CAF status = 0 or 9 | |
| T6 | Bad UAF | |
| T7 | Cash back exceeds daily limit | |
| T8 | Multiple invalid required fields | Contact Nexion Help Desk 0861 639 466 |
| 00 | Successful | |
| A0 | Invalid Terminal / Merchant | Machine needs to be programmed |
| A1 | No Events available | |
| A2 | No Breakdown Levels available | |
| A3 | Authorization Unsuccessful - Insufficient Inventory | stock shortage – contact office |
| A4 | Authorization Unsuccessful - Could not locate inventory | stock shortage – contact office |
| A5 | Advice Unsuccessful - Invalid Transaction ID | |
| A6 | Advice Unsuccessful - Velocity Amount Exceeded | |
| A7 | Advice Unsuccessful - Velocity Lines Exceeded | |
| A8 | Issuer or Switch Inoperative | check switch is up and running/ Craig / Chad |
| A9 | Routing Error | redo transaction |
| AA | Message Decode Error | |
| AB | System Malfunction | check switch is up and running/ Craig / Chad |
| AC | Response Received Too Late | redo transaction |
| AD | Refer to extended response code in message (This is used when a gateway returns response codes that are required to be displayed to the user) | |
| AE | Message Sequence Error. | |
| AF | Gateway Authorization Failure | |
| B0 | Functionality Not Supported | |
| B1 | Invalid Issue Confirmation Reference | |
| B2 | No Reconciliation Entries Found | |
| N0 | | |