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350
Using the LED Indicators and Display for Troubleshooting
Section 14-2
Flashing
red
---
HE
CPU Unit ser-
vice monitor-
ing error
Servicing from
the CPU Unit
was not com-
pleted within the
fixed interval.
The monitoring
time is normally
11 s.
• If the Unit is the orig-
inator of the tag data
link connection, it
stops communica-
tions.
• If the Unit is the tar-
get of the tag data
link connection and
the PLC status is
included in the com-
munications data,
the corresponding
Target Node PLC
Error Flag will be
turned ON.
Note:
Recovery is possible
for this error. When
operation is restored,
tag data link startup
processing will be
performed and opera-
tions will return to
normal.
0002
Check and correct
the CPU Unit’s
operating environ-
ment.
Flashing
red
---
HF
CPU Unit
watchdog
timer error
An error
occurred in the
CPU Unit.
• If the Unit is the orig-
inator of the tag data
link connection, it
stops communica-
tions.
• If the Unit is the tar-
get of the tag data
link connection and
the PLC status is
included in the com-
munications data,
the corresponding
Target Node PLC
Error Flag will be
turned ON.
0001
Replace the CPU
Unit.
Indicator
Error
Cause
Unit operation (Flag
status)
Error
log
(hex)
Countermeasure
MS
NS
7-segment
Summary of Contents for CJ2H-CPU6 - REV 02-2010
Page 2: ......
Page 4: ...iv...
Page 6: ...vi...
Page 14: ...xiv...
Page 18: ...xviii...
Page 38: ...12 Network Configurator Overview Section 1 5...
Page 58: ...32 Selecting the Network Devices Section 2 3...
Page 116: ...90 Auxiliary Area Data Section 4 5...
Page 222: ...196 Message Communications Errors Section 7 6...
Page 364: ...338 Using the Backup Tool Section 13 3...
Page 402: ...376 CS CJ series Ethernet Unit Function Comparison Appendix A...
Page 404: ...378 Ethernet Network Parameters Appendix B...
Page 406: ...380 TCP Status Transitions Appendix C...
Page 452: ...426 Precautions for Using Windows XP Vista or Windows 7 Appendix G...
Page 460: ...434 Index...
Page 462: ...436 Revision History...
Page 463: ......