Fault_gen2 protocol_non_specific_error - 42fh, Cause, Solution – ThingMagic M6e User Manual
Page 80: Fault_gen2 protocol_unknown_error - 430h, Fault_gen2 protocol_non_specific_error - 42fh 80, Fault_gen2 protocol_unknown_error - 430h 80

Protocol Faults
80
Appendix A: Error Messages
FAULT_GEN2 PROTOCOL_NON_SPECIFIC_ERROR - 42Fh
Cause
This is an error returned by Gen2 tags. The tag does not support error specific codes.
Solution
Check the data that is being written and where its being written to in the command
resulting in this error. Try with a different tag.
FAULT_GEN2 PROTOCOL_UNKNOWN_ERROR - 430h
Cause
This is an error returned by M6e when no more error information is available about why
the operation failed.
Solution
Check the data that is being written and where its being written to in the command
resulting in this error. Try with a different tag.