Basic Troubleshooting on a Card Defender Pax terminal - (S300, PX5, PX7, Aries8, A35)

Modified on Thu, 9 Mar, 2023 at 8:18 AM


    There are some basic things you can do if you have issues with processing credit cards with Card Defender.


  1. Exit out of the POS and go back in.
  2. Reboot the computer.
  3. Power-cycle the credit card terminal - This will involve pulling the power cable from the back of the credit card terminal or from the outlet.  You only need to have it off for one moment.


Was this article helpful?

That’s Great!

Thank you for your feedback

Sorry! We couldn't be helpful

Thank you for your feedback

Let us know how can we improve this article!

Select at least one of the reasons
CAPTCHA verification is required.

Feedback sent

We appreciate your effort and will try to fix the article