95
CHAPTER 11 TROUBLESHOOTING
11
11.
6 Er
ror Code
List
1720
[END COVER ERR.]
Failure of the END cover was detected.
■
Supplementary information
• Common information:
• Individual information:
■
Diagnostic timing
• When powered on or reset
• Replace the END cover.
• Reset the head module.
If this error occurs again, the hardware of the head module, intelligent function
module, or END cover may be faulty. (Please consult your local Mitsubishi
representative.)
1730
[SYSTEM RST ERR.]
Failure of the system bus was detected.
■
Supplementary information
• Common information:
• Individual information:
■
Diagnostic timing
• When powered on or reset
2030
[NO END COVER]
There is no END cover.
■
Supplementary information
• Common information:
• Individual information:
■
Diagnostic timing
• When powered on or reset
• Install an END cover.
• Check if the modules are correctly connected, referring to the configuration of
the modules in the System Monitor dialog box.
• Reset the head module.
If this error occurs again, the hardware of the head module, I/O module,
intelligent function module, or END cover may be faulty. (Please consult your
local Mitsubishi representative.)
2031
[NO END COVER]
There is no END cover.
■
Supplementary information
• Common information:
• Individual information:
■
Diagnostic timing
• Any time
2040
[UNIT BAD CONNECT]
• The information is different from the I/O module information at
the time of power on.
• Any of the I/O modules (including intelligent function modules)
is being disconnected during its operation, or was
disconnected.
■
Supplementary information
• Common information: Module No. (Slot No.)
• Individual information:
■
Diagnostic timing
• Any time
• Read common information on the error using GX Works2, check the module
corresponding to the value (module No.), and replace the module.
• Monitor SD1400 to SD1431 on GX Works2, check the module corresponding
to the bit indicating "1", and replace the module.
• Reset the head module.
If this error occurs again, the hardware of the head module, I/O module,
intelligent function module, or END cover may be faulty. (Please consult your
local Mitsubishi representative.)
2100
[SP. UNIT LAY ERR.]
• In "I/O Assignment" of PLC Parameter, "Intelligent" is set for
the position of an I/O module. Or vice versa.
• In "I/O Assignment" of PLC Parameter, the intelligent function
module switch setting is set for the module that does not
support it.
• In "I/O Assignment" of PLC Parameter, the number of points
smaller than that of the actual intelligent function module is
assigned.
■
Supplementary information
• Common information: Module No. (Slot No.)
• Individual information:
■
Diagnostic timing
• When powered on or reset
• Correct the I/O Assignment setting of PLC Parameter, according to the actual
condition of the intelligent function module(s) and head module.
• In "I/O Assignment" of PLC Parameter, delete the intelligent function module
switch settings.
2107
[SP. UNIT LAY ERR.]
A start X/Y set in "I/O Assignment" of PLC Parameter is
overlapped with that of another module.
■
Supplementary information
• Common information: Module No. (Slot No.)
• Individual information:
■
Diagnostic timing
• When powered on or reset
Correct the I/O Assignment setting of PLC Parameter, according to the actual
condition of the intelligent function module(s) and I/O module(s).
Error
code
Error and cause
Action
Summary of Contents for MELSEC-L SSCNETIII/H
Page 1: ...MELSEC L SSCNET H Head Module User s Manual LJ72MS15 ...
Page 2: ......
Page 11: ...9 Memo ...
Page 17: ...15 Memo ...
Page 21: ...19 CHAPTER 1 HEAD MODULE 1 Memo ...
Page 30: ...28 Memo ...
Page 36: ...34 Memo ...
Page 54: ...52 Memo ...
Page 78: ...76 Memo ...
Page 82: ...80 Memo ...
Page 102: ...100 Memo ...
Page 106: ...104 Memo ...
Page 110: ...108 Memo ...
Page 112: ...110 Memo ...
Page 114: ...112 Memo ...
Page 125: ...123 APPENDICES A Appendix 7 Special Register SD List Memo ...
Page 137: ...135 APPENDICES A Appendix 9 General Safety Requirements Memo ...
Page 141: ...139 APPENDICES A Appendix 11 Processing Time Memo ...
Page 145: ...143 APPENDICES A Appendix 12 Checking Serial Number and Function Version Memo ...
Page 147: ...145 APPENDICES A Appendix 13 External Dimensions Memo ...
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