Omron V680S Series User Manual page 170

Section 7
Troubleshooting
Host Device Communications Check Flowchart
START
Is there a response?
Yes
Exception
code = 01 hex?
No
Exception
code = 02 or 03 hex?
No
Exception
code = 06 hex?
No
OK
RFID System
168
User's Manual
No
Is the connector
wiring OK?
No
Correct the connector
wiring.
Is the query
Yes
frame correct?
No
Send the correct frame.
Yes
Is the data specified
in the query correct?
No
Send the correct data.
Yes
Is the Reader/Writer
busy?
Yes
Send the query when
the Reader/Writer can
perform processing.
Yes
Are the network
settings OK?
No
Correct the settings.
Yes
Yes
No
No
Correct the host device
program or replace the
host device.
Yes
Is the host device
operating normally?
Yes
Replace the Reader/Writer.