Mitsubishi Q2ACPU User Manual

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22. TROUBLE SHOOTING
1105
[RAM ERROR]
The system 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.)
RUN:
Off
ERR.:
Flicker
CPU Status:
Stop
Q4AR
1200
[OPE. CIRCUIT ERR.]
The operation circuit for index modification in the
CPU module does not operate normally.
■Collateral informationmmon
• Common Information:–
• Individual Information:–
■Diagnostic Timing
• At power ON/At reset
This suggests a CPU module hardware fault.
(Contact your local Mitsubishi representative.)
QnA1201
[OPE. CIRCUIT ERR.]
The hardware (logic) in the CPU module does not
operate normally.
■Collateral informationmmon
• 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 informationmmon
• 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 informationmmon
• Common Information:–
• Individual Information:–
■Diagnostic Timing
• When an END instruction executed
Q4AR
1204
[OPE. CIRCUIT ERR.]
The hardware (logic) in the CPU module does not
operate normally.
■Collateral informationmmon
• 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 informationmmon
• Common Information:–
• Individual Information:–
■Diagnostic Timing
• When an END instruction executed
QnA
Error
Code
Error Contents and Cause Corrective Action
LED Status
CPU Status
Corresponding
CPU

Mitsubishi Q2ACPU Specifications

General

Brand	Mitsubishi
Model	Q2ACPU
Category	Controller
Language	English