Errors And Countermeasures; Command Errors - Omron V780 Series User Manual

9 Troubleshooting
9-3

Errors and Countermeasures

This section gives the errors detected by the Reader/Writer and corresponding countermeasures.
The items used in the following tables are described below.
The name of the error.
Error name
Description A description of the error.
Detection timing When the error is detected.
Log category The type of log the error is recorded in.
Additional infor- A description of the additional infor-
mation 1 mation 1 that is recorded.
Probable cause A description of the probable cause of the error.
Workaround A description of countermeasures for the probable cause of the error.
Precautions/ Precautions, restrictions, and other supplemental information.
Remarks
9-3-1

Command Errors

Error name Frame length error
Description There was an error in the frame length of the received command data.
Detection timing At command reception
Log category Command error log
Additional infor- Cause code
mation 1
(1) Cause code: 00000001 hex
The command frame length exceeded the upper limit (255 bytes) (FC03/FC16).
(2) Cause code: 00000002 hex
Probable cause
The command frame length exceeded the upper limit (4,352 bytes) (FC100).
(3) Cause code: 00000003 hex
The command frame length does not agree with the value given for the field length.
Workaround Check the command frame length and send the command again.
Precautions/ None
Remarks
Error name Frame header error
Description There was an error in the frame header of the received command.
Detection timing At command reception
Log category Command error log
Additional infor- Cause code
mation 1
(1) Cause code: 00000001 hex
The protocol ID in the frame header was not 0000 hex.
Probable cause
(2) Cause code: 00000002 hex
The unit ID in the frame header was not FF hex.
Workaround Check the command frame contents and send the command again.
Precautions/ None
Remarks
9 - 8
The value of the error code (four
Error code
hexadecimal digits).
Recovery method How to recover from the error.
Additional infor- A description of the additional infor-
mation 2 mation 2 that is recorded.
Error code 1001 hex
Recovery method None
Additional infor- None
mation 2
Error code 1002 hex
Recovery method None
Additional infor- None
mation 2
UHF RFID System V780-series Reader/Writer User's Manual (Z389)