[PinPad] POSComm Err at S300

This article provides a basic troubleshooting checklist for resolving the "Communication Error" message displayed on the S300 pinpad during a transaction.

ERROR MESSAGE

CHECK LIST

-Verify that the network profile is set to Private.

-Disable Windows Firewall, Windows Defender, and SmartScreen.

-Verify the server IP address.

-Confirm the pinpad IP address (On the VeronaPOS) on SETTINGS> HARDWARE> PINPAD.

-Verify the Network and Sharing configuration.

-Restart the pinpad.

NETWORK CONFIGURATION & SHARING CHECKING