10
- 6
10.1 Troubleshooting Flow
10.1.5 D LINK LED is flashing
10
TROUBLESHOOTING
10.1.5
D LINK LED is flashing
The following flowchart shows the procedures to be taken when D LINK LED is flashing.
Figure 10.6 When D LINK LED is flashing
D LINK LED is flashing.
Check error factors with CC IE Control Network
Diagnostics and take corrective actions according
to the troubleshooting section.
Start the PLC diagnostics in GX Developer.
Perform a unit test to the CC-Link IE controller
network module.
After completion of the test, set the control station
to online.
Restart cyclic transmission.
QCPU User's Manual
(Hardware Design, Maintenance and Inspection)
Check the error details and take corrective actions.
Is D LINK LED turned ON?
Has a link stop been executed?
Has a circuit test been executed?
Not occurred
ON
No
Not executed
Not executed
Has a stop error other than the
above occurred in the CPU module?
Has a LINK PARA.ERROR or
NETWORK PARAMETER ERROR
occurred in the CPU module?
Yes
No
Occurred
Check the network parameters.
If the error has occurred in a Basic model QCPU
or safety CPU, check its LB/LW send range in
"Network range assignment" of the control station.
Yes
Turn ON the power supply module.
Is the power supply module ON
for the CC-Link IE controller network module with
external power supply function?
OFF
Executed
Executed
End
Section 4.1.11 Stop/restart of cyclic transmission
Section 5.4 Testing the CC-Link IE controller
network module
Section 10.4 Checking the Error Description
with the CC IE Control Network Diagnostics
Summary of Contents for QJ71GP21-SX
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