T
rou
blesho
o
ting F
lowchar
ts
Sect
ion 9
Section 9
Troubleshooting
251
RFID System
User's Manual
(Modbus TCP)
Troubleshooting Flowcharts
If an error occurs, fully check the whole situation, determine the relationship between the system and any
other devices, and refer to the following flowcharts for the troubleshooting procedures.
Main Check Flowchart
Main Check Flo
w
chart
Are all de
v
ices in the system
connected properly?
Are the operating conditions and
external en
v
ironment normal?
Are host de
v
ice
comm
u
nications normal?
Are RF Tag
comm
u
nications normal?
OK
Refer to the System Connections Check Flo
w
chart.
Refer to the Operating Conditions and External En
v
ironment
Check Flo
w
chart.
Refer to the Host De
v
ice Comm
u
nications Check Flo
w
chart.
Refer to the RF Tag Comm
u
nications Check Flo
w
chart.
N
o
N
o
N
o
N
o
Yes
Yes
Yes
Yes
Use the follo
w
ing Main Check Flo
w
chart
to determine the ca
u
se of the error.
