10.1 Troubleshooting Flow
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TROUBLESHOOTING
CHAPTER10 TROUBLESHOOTING
This chapter describes the detection of errors and the error description and corrective
action toward error codes.
10.1 Troubleshooting Flow
Error description is explained according to types of errors.
POINT
To take corrective action toward errors immediately at the system operation,
perform the following tests before system operation and check that the system
operates normally.
•
Section 5.4 Testing the CC-Link IE controller network module
•
Section 5.6 Tests for CC-Link IE controller network Startup
•
Section 5.7 Test before CC-Link IE controller network Operation
Figure 10.1 Troubleshooting flow
Error occurrence
RUN LED is OFF.
ERR. LED is ON.
Check error factors with CC IE Control Network Diagnostics and
take corrective actions according to the troubleshooting section.
MODE LED is OFF or flashing.
D LINK LED is OFF.
D LINK LED is flashing.
Cyclic transmission is disabled.
Transient transmission is disabled.
Data link is disabled in redundant system.
Data link is disabled on station of Basic
model QCPU or safety CPU.
When an error code is identified, check the error details and
take corrective actions.
Stop error has occurred in CPU module.
EXT.PW LED is OFF.
QCPU User's Manual
(Hardware Design, Maintenance and Inspection)
Check the error details and take corrective actions.
Section 10.1.3 MODE LED is OFF or flashing
Section 10.4 Checking the Error Description with the
CC IE Control Network Diagnostics
Section 10.1.4 D LINK LED is OFF
Section 10.1.5 D LINK LED is flashing
Section 10.1.6 Cyclic transmission is disabled
Section 10.1.7 Transient transmission is disabled
Section 10.1.2 EXT.PW LED is OFF
Section 10.1.8 Data link is disabled in the redundant
system
Section 10.1.9 Data link is disabled on a station of a
Basic model QCPU or safety CPU
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