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12.1 Error Code List
12.1.3 Error code list (1000 to 1999)
1164
[RAM ERROR]
The destruction of the data stored in the standard
RAM is detected.
■Collateral information
• Common Information:–
• Individual Information:–
■Diagnostic Timing
• When instruction executed
• Take noise reduction measures.
If the same error is displayed again, the CPU
module has hardware failure. Contact your local
Mitsubishi representative, explaining a detailed
description of the problem.
RUN:
Off
ERR.:
Flicker
CPU Status:
Stop
QnU
*11
1200
[OPE. CIRCUIT ERR.]
The operation circuit for index modification in the
CPU module does not operate normally.
■Collateral information
• Common Information:–
• Individual Information:–
■Diagnostic Timing
• At power ON/ At reset
This suggests a CPU module hardware fault.
(Contact your local Mitsubishi representative.)
QCPU
1201
[OPE. CIRCUIT ERR.]
The hardware (logic) in the CPU module does not
operate normally.
■Collateral information
• Common Information:–
• Individual Information:–
■Diagnostic Timing
• At power ON/ At reset
1202
[OPE. CIRCUIT ERR.]
The operation circuit for sequence processing in
the CPU module does not operate normally.
■Collateral information
• Common Information:–
• Individual Information:–
■Diagnostic Timing
• At power ON/ At reset
1203
[OPE. CIRCUIT ERR.]
The operation circuit for index modification in the
CPU module does not operate normally.
■Collateral information
• Common Information:–
• Individual Information:–
■Diagnostic Timing
• When an END instruction executed
QnPRH
1204
[OPE. CIRCUIT ERR.]
The hardware (logic) in the CPU module does not
operate normally.
■Collateral information
• Common Information:–
• Individual Information:–
■Diagnostic Timing
• When an END instruction executed
1205
[OPE. CIRCUIT ERR.]
The operation circuit for sequence processing in
the CPU module does not operate normally.
■Collateral information
• Common Information:–
• Individual Information:–
■Diagnostic Timing
• When an END instruction executed
Error
Code
Error Contents and Cause Corrective Action
LED Status
CPU Status
Corresponding
CPU
*11 The Q10UD(E)HCPU, Q13UD(E)HCPU, Q20UD(E)HCPU, .Q26UD(E)HCPU only.