22 -
17
22. TROUBLE SHOOTING
22.3.3 Error code list (1000 to 1999)
The following shows the error messages from the error code 1000 to 1999, the contents
and causes of the errors, and the corrective actions for the errors.
Error
Code
Error Contents and Cause
Corrective Action
LED Status
CPU Status
Corresponding
CPU
1000
[MAIN CPU DOWN]
Runaway or failure of CPU module or failure of
main CPU
• Malfunctioning due to noise or other reason
• Hardware fault
■
Collateral informationmmon
• Common Information:–
• Individual Information:–
■
Diagnostic Timing
• Always
• Take noise reduction measures.
• Reset the CPU module and RUN it again.If the
same error is displayed again, this suggests a
CPU module hardware fault.(Contact your local
Mitsubishi representative.)
RUN:
Off
ERR.:
Flicker
CPU Status:
Stop
QnA
1010
[END NOT EXECUTE]
Entire program was executed without the execution
of an END instruction.
• When the END instruction is executed it is read
as another instruction code, e.g. due to noise.
• The END instruction has been changed to
another instruction code somehow.
■
Collateral informationmmon
• Common Information:–
• Individual Information:–
■
Diagnostic Timing
• When an END instruction executed
• Take noise reduction measures.
• Reset the CPU module and RUN it again. If the
same error is displayed again, this suggests a
CPU module hardware fault. (Contact your local
Mitsubishi representative.)
1101
[RAM ERROR]
The sequence program storing built-in RAM/
program memory in the CPU module is faulty.
■
Collateral informationmmon
• Common Information:–
• Individual Information:–
■
Diagnostic Timing
• At power ON/ At reset/ When an END instruction
executed
• Take noise reduction measures.
• Reset the CPU module and RUN it again. If the
same error is displayed again,this suggests a
CPU module hardware fault.(Contact your local
Mitsubishi representative.)
1102
[RAM ERROR]
• The work area RAM in the CPU module is faulty.
• The standard RAM and extended RAM in the
CPU module are faulty.
■
Collateral informationmmon
• Common Information:–
• Individual Information:–
■
Diagnostic Timing
• At power ON/ At reset/ When an END instruction
executed
• Take noise reduction measures.
• Reset the CPU module and RUN it again. If the
same error is displayed again,this suggests a
CPU module hardware fault.(Contact your local
Mitsubishi representative.)
1103
[RAM ERROR]
The device memory in the CPU module is faulty.
■
Collateral informationmmon
• Common Information:–
• Individual Information:–
■
Diagnostic Timing
• At power ON/At reset
• Take noise reduction measures.
• When indexing is performed, check the value of
index register to see if it is within the device
range.
• Reset the CPU module and RUN it again. If the
same error is displayed again,this suggests a
CPU module hardware fault.(Contact your local
Mitsubishi representative.)
1104
[RAM ERROR]
The address RAM in the CPU module is faulty.
■
Collateral informationmmon
• Common Information:–
• Individual Information:–
■
Diagnostic Timing
• At power ON/At reset
• Take noise reduction measures.
• Reset the CPU module and RUN it again.If the
same error is displayed again, this suggests a
CPU module hardware fault. (Contact your local
Mitsubishi representative.)
Summary of Contents for Q2ACPU
Page 1: ......
Page 2: ......
Page 221: ...12 12 12 OVERVIEW OF PROCESSING PERFORMED BY THE QnACPU ...
Page 222: ...12 13 12 OVERVIEW OF PROCESSING PERFORMED BY THE QnACPU ...
Page 237: ...12 28 12 OVERVIEW OF PROCESSING PERFORMED BY THE QnACPU MEMO ...
Page 271: ...16 13 16 POWER SUPPLY MODULE 4 Names and description of parts of the A66P ...
Page 343: ...21 21 13 MAINTENANCE AND INSPECTION 21 4 2 Replacement of the fuse for an output module ...
Page 357: ...22 12 22 TROUBLESHOOTING ...
Page 359: ...22 14 22 TROUBLESHOOTING MEMO ...
Page 429: ...App 32 APPENDICES Trigonometric function Classification Symbol Description ...
Page 537: ...App 140 APPENDICES REMARK 1 Message 1 An error code is displayed in 2 Alert 1 3 Alert 2 ...
Page 539: ...App 142 APPENDICES 2 Q2ACPU Q2ACPU S1 modules Unit mm inch ...
Page 541: ...App 144 APPENDICES 2 A66P power supply module Unit mm inch ...
Page 543: ...App 146 APPENDICES 3 A35B base unit 4 A38B A38HB A38HBEU base unit Unit mm inch Unit mm inch ...
Page 567: ...MEMO ...
Page 569: ......
Page 570: ......