User Guide

Table Of Contents
Protocol Faults
196 Appendix C: Error Messages
FAULT_PROTOCOL_KILL_FAILED - 40Eh
Cause
Attempt to kill a tag failed for an unknown reason
Solution
Check tag is in RF field and the kill password.
FAULT_PROTOCOL_BIT_DECODING_FAILED - 40Fh
Cause
Attempting to operate on a tag with an EPC length greater than the Maximum EPC length
setting.
Solution
Call Set Reader Configuration(9Ah) to set the Max EPC to 496 bits.
FAULT_PROTOCOL_INVALID_EPC – 410h
Cause
This error is used by the GEN2 module indicating an invalid EPC value has been
specified for a Select operation. This fault can occur if the read, write, lock, or kill
command fails. This error can be internal or functional.
Solution
Check the EPC value that is being passed in the command resulting in this error.
FAULT_PROTOCOL_INVALID_NUM_DATA – 411h
Cause
This error is used by the GEN2 module indicating invalid data has been specified for an
operation. This fault can occur if the read, write, lock, or kill command fails.