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2_General Troubleshooting
This section provides troubleshooting procedures for issues which may be encountered in the field. Troubleshooting procedures are
organized and categorized as follows:
Display Issues
Security Issues
Pen/Finger Response Issues
Card Response Issues
Communication Issues
Error Messages
If unable to restore the device to proper working condition by following the troubleshooting procedures, return the device for repair.
Follow proper precautions for disconnecting and connecting cables to the terminal as provided in the Quick Reference
located in the Appendices section of this document. In order to prevent damage to the terminal, disconnect external power
supply when instructed to do so before removing or attaching any interface cables.
2_1 Display Issues
Refer to the below table for troubleshooting display related issues.
Issue Cause/Error Recommended Action
No Display Forms are not
loaded (UIA) or
hardware issue.
Reboot the device and reinitialize with the POS. Forms should load after
reconnection.
Connect the device to a different POS station.
Try replacing the cable to determine if it is defective.
Replace the power supply to determine if the power supply is defective, and retest.
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