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Troubleshooting
RFID Error Codes and Messages
72
58978L-008 Rev. A RFID Programming Guide 11/14/2008
0408
INVALID WR DATA In EPC 0+, the first two bits determine the tag ID length. If the
first two bits are 0b00, then the tag ID must be 96 bits. Otherwise,
the tag ID is 64 bits.
Make sure that the first two bits have the correct values,
depending on the tag ID length.
0409
INVALID ADDR The RFID reader received a command to write to an invalid
address in the tag data address space. Make sure that the address
specified is within the scope of the tag data address space.
040A
TAG ERROR Internal problem with the reader. If the problem persists, contact
Technical Support.
040B
DATA TOO LARGE Internal problem with the reader. If the problem persists, contact
Technical Support.
0420
GEN2 PROT OTHER Internal problem with the reader. If the problem persists, contact
Technical Support.
0423
GEN2 BAD PC Internal problem with the reader. If the problem persists, contact
Technical Support.
0424
GEN2 MEM LOCKED Internal problem with the reader. If the problem persists, contact
Technical Support.
042B
GEN2 LOW PWR Internal problem with the reader. If the problem persists, contact
Technical Support.
042F
GEN2 ERROR Internal problem with the reader. If the problem persists, contact
Technical Support.
0430
GEN2 UNKNWN ERR Internal problem with the reader. If the problem persists, contact
Technical Support.
0500
INVALID FREQ The RFID reader received a command to set the frequency outside
of the supported range. If the problem persists, contact Technical
Support.
0600
TAG ID FAULT The reader received a command to get a certain number of tag IDs
from the tag ID buffer. The reader contains less tag IDs stored in
its tag ID buffer than the number the host sent.
Internal problem with the reader. If the problem persists, contact
Technical Support.
0601
ID BUFFER FULL The tag ID buffer is full. If the problem persists, contact Technical
Support.
0602
REPEATED ID One of the protocols is trying to add an existing tag ID to the
buffer.
Internal problem with the reader. If the problem persists, contact
Technical Support.
0603
NUM IDS TOO LG Internal problem with the reader. If the problem persists, contact
Technical Support.
Table 7 • RFID Error Code Definitions (Continued)
Error
Code
RFID Error or
Status Message
Description/Action Required