Omron V780 Series User Manual page 346

9 Troubleshooting
Error name RF Tag communications failed
Description Communications with the RF Tag did not end normally.
Detection timing At RF communications execution
Log category Command error log
Additional infor- Manufacturer analysis code 1
mation 1
(1) There is no RF Tag in the stable communications range of the RF Tag.
(2) The ambient environment is affecting operation (radio wave interference or surrounding metal).
Probable cause
(3) Collision occurred for responses from more than one RF Tag.
(4) The response from the RF tag is weak because transmission power tuning is not appropriate.
Make sure there is an RF Tag in the stable communications range.
Workaround Adjust the execution timing of the command to start communications with the RF Tag.
Increase or reduce transmission power tuning.
Precautions/
Remarks
Error name RF Tag address error
Description The access address for the RF Tag is outside of the area supported by the target RF Tag.
Detection timing At RF communications execution
Log category Command error log
Additional infor- None
mation 1
(1) The start address to the RF Tag access area specified in the command exceeds the memory
area of the RF Tag.
Probable cause
(2) The size the RF Tag access area specified in the command exceeds the memory area of the
RF Tag.
Make sure that the RF Tag access area specified in the command matches the memory area in the
Workaround
RF Tag that is being used.
Precautions/
Remarks
Error name RF Tag lock error
Description Access to an area that is locked in the RF Tag failed.
Detection timing At RF communications execution
Log category Command error log
Additional infor- None
mation 1
(1) The RF Tag is locked and the access password is not set in the Reader/Writer.
Probable cause
(2) The RF Tag is locked and the access password does not match the access password set in the
Reader/Writer.
Check the access password set in the RF Tag.
Workaround
Set the access password from the RF Tag in the Reader/Writer and execute the command again.
Precautions/
Remarks
9 - 12
Error code 2002 hex
Recovery method None
Additional infor- Manufacturer analysis code 2
mation 2
Error code 2004 hex
Recovery method None
Additional infor- None
mation 2
Error code 2005 hex
Recovery method None
Additional infor- None
mation 2
UHF RFID System V780-series Reader/Writer User's Manual (Z389)