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RFID System
User’s Manual
Section 5
Tr
oubles
hoot
ing Flowc
h
art
Section 5
Troubleshooting
Troubleshooting Flowchart
If an error occurs, be sure to understand the conditions thoroughly, then accurately determine the likelihood of
the error re-occurring, whether the problem is related to another device, and other factors causing the error,
and refer to the following flowcharts for troubleshooting.
S T A R T
Y E S
Y E S
NO
NO
O K
NO
Y E S
When using the V680-CH1D, check the operation indicator when the power supply is connected.
Connect to the host device.
Is the operation
indicator flashing green?
Send TEST command (TS)
from host device.
Is response normal?
Send READ command with SA
communications specification from
host device, and move antenna end
of Hand-held Reader Writer
close to ID Tag.
Check whether the USB connector is connected correctly.
Check the communications port settings.
If communications with the Hand-held Reader Writer are not possible even if the
settings are correct, the USB driver may not be installed correctly, or the host device,
host device software, or Hand-held Reader Writer may be faulty.
If the operation indicator is not flashing green although the connection is correct,
the host device or the Hand-held Reader Writer may be faulty.
Is the operation indicator
lit green?
Error code 70 or 72:
Error code 7A:
p.52
The address specification is incorrect.
Check the RD command address and resend the command from the host device.
Replace the ID Tag with one that operates normally, and resend the command.
If the error occurs again, replace the Hand-held Reader Writer.
