99
CHAPTER 11 TROUBLESHOOTING
11
11.
6 Er
ror Code
List
AA15
Head module failure
• A malfunction may have occurred due to noise. Check the wire and cable distances
and grounding condition of each device, and take measures against noise.
• Execute a unit test for the head module. If a failure is detected again, the hardware of
the head module may be faulty. Please consult your local Mitsubishi representative.
AAF2
Flash ROM failure
• If the number of times that data were written to the flash ROM exceeded 100,000,
clear the check box in "Communication Head Setting" of PLC Parameter so that data
of the error history and system error history will not be held at the time of power off or
reset.
• Check the wire and cable distances and grounding condition of each device, and take
measures against noise.
• Execute a unit test for the head module. If a failure is detected again, the hardware of
the head module may be faulty. Please consult your local Mitsubishi representative.
AAF3
Flash ROM failure
• A RAM error may have occurred due to noise. Check the wire and cable distances
and grounding condition of each device, and take measures against noise.
• Execute a unit test for the head module. If a failure is detected again, the hardware of
the head module may be faulty. Please consult your local Mitsubishi representative.
AB00
Head module failure
• A malfunction may have occurred due to noise. Check the wire and cable distances
and grounding condition of each device, and take measures against noise.
• Execute a unit test for the head module. If a failure is detected again, the hardware of
the head module may be faulty. Please consult your local Mitsubishi representative.
Error code
Error
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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