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12-12
1412
[CONTROL-BUS. ERR.]
The FROM/TO instruction is not executable, due to
a control bus error with the intelligent function
module/special function module.
(On error occurring, the program error location is
stored in the individual information.)
■Collateral information
• Common Information:Module No. (Slot No.)
• Individual Information:Program error location
■Diagnostic Timing
• During execution of FROM/TO instruction set
Reset the CPU module and RUN it again. If the
same error is displayed again, the intelligent
function module/special function module, CPU
module or base unit is faulty. (Contact your local
Mitsubishi representative.)
RUN:
Off
ERR.:
Flicker
CPU Status:
Stop
QCPU
1413
[CONTROL-BUS. ERR.]
In a multiple CPU system, a CPU module
incompatible with the multiple CPU system is
mounted.
■Collateral information
• Common Information:–
• Individual Information:–
■Diagnostic Timing
• Always
• Remove the CPU module incompatible with the
multiple CPU system from the main base unit, or
replace the CPU module incompatible with the
multiple CPU system with a CPU module
compatible with the multiple CPU system.
• The intelligent function module, CPU module or
base unit is faulty. (Contact your local Mitsubishi
representative.)
Q00J/Q00/Q01
*4
Qn(H)
*4
QnPH
[CONTROL-BUS. ERR.]
An error is detected on the system bus.
• Self-diagnosis error of the system bus.
• Self-diagnosis error of the CPU module
■Collateral information
• Common Information:–
• Individual Information:–
■Diagnostic Timing
• Always
Reset the CPU module and RUN it again. If the
same error is displayed again, the intelligent
function module, CPU module or base unit is faulty.
(Contact your local Mitsubishi representative.)
QCPU
1414
[CONTROL-BUS. ERR.]
• Fault of a loaded module was detected.
• In a multiple CPU system, a CPU module
incompatible with the multiple CPU system is
mounted.
■Collateral information
• Common Information:Module No. (Slot No.)
• Individual Information:–
■Diagnostic Timing
• Always
• Remove the CPU module incompatible with the
multiple CPU system from the main base unit, or
replace the CPU module with a CPU module
compatible with the multiple CPU system.
• Reset the CPU module and RUN it again. If the
same error is displayed again, the intelligent
function module, CPU module or base unit is
faulty. (Contact your local Mitsubishi
representative.)
Q00J/Q00/Q01
*4
Qn(H)
*4
QnPH
QnU
[CONTROL-BUS. ERR.]
An error is detected on the system bus.
■Collateral information
• Common Information:Module No. (Slot No.)
• Individual Information:–
■Diagnostic Timing
• Always
Reset the CPU module and RUN it again. If the
same error is displayed again, the intelligent
function module, CPU module or base unit is faulty.
(Contact your local Mitsubishi representative.)
Q00J/Q00/Q01
*4
Qn(H)
QnPH
QnPRH
QnU
Error
Code
Error Contents and Cause Corrective Action
LED Status
CPU Status
Corresponding
CPU
*4 Function version is B or later.