How do I resolve "Error pairing Terminal"/"Error parsing pairTerminal null"?

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This article explains how to troubleshoot errors that may occur when pairing the terminal for semi-integrated mode with TRU Link.

Follow the appropriate instructions below for your terminal:

Castles VEGA and Ingenico devices
{"error":"Error parsing pairTerminal null:The terminal has not registered yet,
please make sure the terminal is plugged in and connected to the network. If
you are still experiencing problems, please contact support.","errorcode":1104}

If you are receiving this error, please try the following steps to help troubleshoot your device:

Ensure terminal is connected to internet:

Ensure your terminal is paired with Trust Payments. This is a requirement for the correct operation of your device. Click here to learn how to perform the pairing process.

This error can also occur when the terminal is attempting to pair with a new ePoS system after previously being paired to a different ePoS system. To resolve this issue:

If you have paired your terminal with Trust Payments and are still receiving this error, please allow an hour for your terminal to sync and try again.

This error can occur if the merchant or ePOS/till provider has not registered the serial number of the POS terminal within their ePOS/till system. This needs to be completed prior to testing. Going forward, the serial number of any new POS terminals installed should also be amended within this system in the same manner.

Check the your site's firewall settings:

  • The TRU POS Gateway requires access to IPs & over Port 11183.
  • The payment device must be able to contact on Ports 80 and 9001 and HTTPS proxy should be disabled.

If you are still having problems, please contact our Support Team.

Castles Saturn 1000


Not applicable

This functionality is not applicable to your device.

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