User Manual

Table Of Contents
Protocol Faults
66 Appendix A: Error Messages
FAULT_PROTOCOL_BIT_DECODING_FAILED - 40Fh
Cause
Attempt to operate on a tag with an EPC length greater than the Maximum EPC length
setting.
Solution
Check the EPC length being written.
FAULT_PROTOCOL_INVALID_EPC – 410h
Cause
This error is used by the GEN2 module indicating an invalid EPC value has been
specified for an operation. This fault can occur if the read, write, lock, or kill command
fails.
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.
Solution
Check the data that is being passed in the command resulting in this error.
FAULT_GEN2 PROTOCOL_OTHER_ERROR - 420h
Cause
This is an error returned by Gen2 tags. Its a catch-all for error not covered by other codes.