Error Code List (1000 To 1999) - Mitsubishi Q2ACPU User Manual

22. TROUBLE SHOOTING

22.3.3 Error code list (1000 to 1999)

Error
Error Contents and Cause
Code
[MAIN CPU DOWN]
Runaway or failure of CPU module or failure of
main CPU
• Malfunctioning due to noise or other reason
• Hardware fault
1000
■Collateral informationmmon
• Common Information:–
• Individual Information:–
■Diagnostic Timing
• Always
[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
1010
another instruction code somehow.
■Collateral informationmmon
• Common Information:–
• Individual Information:–
■Diagnostic Timing
• When an END instruction executed
[RAM ERROR]
The sequence program storing built-in RAM/
program memory in the CPU module is faulty.
■Collateral informationmmon
1101 • Common Information:–
• Individual Information:–
■Diagnostic Timing
• At power ON/ At reset/ When an END instruction
executed
[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
1102
• Common Information:–
• Individual Information:–
■Diagnostic Timing
• At power ON/ At reset/ When an END instruction
executed
[RAM ERROR]
The device memory in the CPU module is faulty.
■Collateral informationmmon
• Common Information:–
1103
• Individual Information:–
■Diagnostic Timing
• At power ON/At reset
[RAM ERROR]
The address RAM in the CPU module is faulty.
■Collateral informationmmon
• Common Information:–
1104
• Individual Information:–
■Diagnostic Timing
• At power ON/At reset
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.
• Take noise reduction measures.
• Reset the CPU module and RUN it again.If the
• Take noise reduction measures.
• Reset the CPU module and RUN it again. If the
• Take noise reduction measures.
• Reset the CPU module and RUN it again. If the
• Take noise reduction measures.
• Reset the CPU module and RUN it again. If the
• Take noise reduction measures.
• When indexing is performed, check the value of
• Reset the CPU module and RUN it again. If the
• Take noise reduction measures.
• Reset the CPU module and RUN it again.If the
Corrective Action
same error is displayed again, this suggests a
CPU module hardware fault.(Contact your local
Mitsubishi representative.)
same error is displayed again, this suggests a
CPU module hardware fault. (Contact your local
Mitsubishi representative.)
same error is displayed again,this suggests a
CPU module hardware fault.(Contact your local
Mitsubishi representative.)
same error is displayed again,this suggests a
CPU module hardware fault.(Contact your local
Mitsubishi representative.)
index register to see if it is within the device
range.
same error is displayed again,this suggests a
CPU module hardware fault.(Contact your local
Mitsubishi representative.)
same error is displayed again, this suggests a
CPU module hardware fault. (Contact your local
Mitsubishi representative.)
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LED Status Corresponding
CPU Status CPU
RUN:
Off
ERR.:
Flicker QnA
CPU Status:
Stop