Westpac POS Code 91

A POS message of 91 on your Westpac device means: Issuer or switch is inoperative. We’ve outlined more details on what to do when you see this code below.

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Fix Westpac POS Response Code 91

In this article, we’ll look at why you’re seeing the code 91 on your Westpac terminal and the next steps you can take.

What is a Response Code 91?

The response code 91 from Westpac means that the issuer or switch, which is the next party involved in the card transaction, is not working properly. This could be due to technical issues or maintenance. When this code is received, it indicates that the transaction has been reversed because the communication between QuickStream and Westpac, or other parties involved, has timed out. It can also be used for pre-authorization transactions that are manually reversed.

In simple terms, this means that there was a problem with the system that handles the transaction, and it couldn’t be completed. It could be because the bank or the payment processing system was not working at that moment. This code is used to let the merchant know that the transaction has been reversed and they should try again later. It can also be used for transactions that were initially approved but then canceled manually.

What do I do?

When the POS operator sees Response Code 91, which means that the issuer or switch is inoperative, they should take the following steps. First, they should check if there are any issues with the connection between QuickStream and Westpac or any other parties involved in the transaction. If there are no connection issues, they should contact Westpac to confirm if their system is experiencing any problems. If Westpac confirms that their system is inoperative, the operator should inform the customer that the transaction cannot be processed at the moment. If the transaction was a pre-authorization, the operator should manually reverse it. It is important for the operator to keep track of any additional reasons provided with the response code to understand the specific cause of the issue.

Official Website

If you need more information on how to deal with a response code of 91 showing on your Westpac terminal, we recommend that you speak to your Westpac Bank Account Manager. If you’re looking for help with knowing what POS options are available, get in touch with one of our POS Experts.

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