1.
2.
3.
1.
2.
3.
4.
Issue Cause/Error Recommended Action
White Display or
Rainbow Display
(Multiple Colors)
Verify that the correct power supply is used per specifications for this product.
Refer to the product Quick Reference Guide for this device in the Appendices. If
the correct power supply is being used then proceed to step 2.
Reset power to the device and reinitialize the connection with the POS. If the issue
persists, proceed to step 3.
Replace the power supply to determine if the power supply is defective.
2_2 Security Issues
Refer to the below table for troubleshooting security related issues.
Issue Cause/Error Recommended Action
Alert Irruption
Error Message
Tamper Error. The terminal will lock up if the device detects any
tampering, which will result in the terminal secure memory areas
being cleared and rendering the terminal inoperable.
Replace the terminal.
Cannot Process
Debit Card
(Host message
error)
Error occurs, when transaction is sent for approval
Notate the error from the
Host/Processor.
Proceed to Encryption Validation
and notate your key information.
Validate with the Host Processor to
ensure that the key is being
correctly processed.
If the key information is incorrect,
return the terminal to your specific
key injection facility for key
injection.
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