SATO CL4NX Operator's Manual page 617

Message
LOCKING ERROR
WRONG TID ERROR
MULTI TAGS ERROR
DIFFER EPC ERROR
Cause and Countermeasure
Countermeasure
Confirm the inlay operation and check the printer/antenna settings.
Only for FeliCa
Cause
The written data and read data do not match. A value greater than
original data was written to subtraction register.
Countermeasure
Write an appropriate value to subtraction register.
Cause
Failed to lock the tag.
Countermeasure
Check the media.
Only for ISO/IEC 15693
Cause
Read the UID of the tag other than the specified tag.
Countermeasure
Check the tag type setting and the label.
Only for ISO/IEC 15693, ISO/IEC 14443 Type A
Cause
Multiple tags detected at a time.
Countermeasure
Confirm the inlay operation and check the printer/antenna settings.
Only for FeliCa
Cause
The captured IDm of the card is inconsistent between processes.
(Tried to write to a wrong card.)
Countermeasure
Confirm the inlay operation and check the printer/antenna settings.
Only for UHF
Cause
Detected inconsistent EPC during a series of processes.
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