Omron V600 Operation Manual page 61

Troubleshooting Flowchart
From previous page
After sending the AW
command, touch the
Data Carrier.
Green LED
ON to OFF?
YES
Data Carrier
communications
error (70)?
NO
Address error
(7A)?
NO
Protect error
(7D)?
NO
Normal
completion?
YES
OK
58
NO
YES Data Carrier
positioning
OK?
NO
Touch the Data Carrier and
the antenna while they are
facing each other.
YES
AW command
address OK?
NO
Reset AW command
YES
Write-protect
setting OK?
NO
Reset or release
write-protect
NO
YES
Data Carrier OK?
NO
Replace Data Carrier
YES
YES
Data Carrier OK?
NO
Replace Data Carrier
Section 5-2
YES
YES
Replace the Hand-held
Reader Writer