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RFID System
User's Manual
Section 5 Troubleshooting Flowchart
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
Connect to the host device.
Y E S
Is the operation
indicator flashing green?
Send TEST command (TS)
from host device.
Y E S
Is response normal?
Send the AUTO READ command
(AR) from the host device, and
move the Hand-held Reader Writer
close to the Data Carrier.
NO
NO
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?
O K
NO
Y E S
Error code 70 or 72:
Error code 7A:
p.52
The address specification is incorrect.
Check the AR command address and resend the command from the host device.
Replace the Data Carrier with one that operates normally, and resend the command.
If the error occurs again, replace the Hand-held Reader Writer.
p.22, p.26
p.52