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12.1 Error Code List
12.1.3 Error code list (1000 to 1999)
1415
[CONTROL-BUS. ERR.]
Fault of the main or extension base unit was
detected.
■Collateral information
• Common Information:Module No. (Slot No.)
• Individual Information:–
■Diagnostic Timing
• When an END instruction executed
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.)
RUN:
Off
ERR.:
Flicker
CPU Status:
Stop
Q00J/Q00/Q01
Qn(H)
*4
QnPH
QnPRH
QnU
[CONTROL-BUS. ERR.]
Fault of the main or extension base unit was
detected.
■Collateral information
• Common Information:Module No. (Slot No.)
• Individual Information:–
■Diagnostic Timing
• At power-ON/ At reset/ When an END instruction
executed
Qn(H)
*8
QnPH
*8
1416
[CONTROL-BUS. ERR.]
System bus fault was detected at power-on or
reset.
■Collateral information
• Common Information:Module No. (Slot No.)
• Individual Information:–
■Diagnostic Timing
• At power ON/ At reset
Qn(H)
*4
QnPH
QnU
[CONTROL-BUS. ERR.]
In a multiple CPU system, a bus fault was detected
at power-on or reset.
■Collateral information
• Common Information:Module No. (Slot No.)
• Individual Information:–
■Diagnostic Timing
• At power ON/ At reset
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.)
Q00/Q01
*4
QnU
1417
[CONTROL-BUS. ERR.]
A reset signal error was detected on the system
bus.
■Collateral information
• Common Information:–
• Individual Information:–
■Diagnostic Timing
•Always
QnPRH
1418
[CONTROL-BUS.ERR.]
In the redundant system, at power-on/reset or
switching system, the control system cannot
access the extension base unit since it failed to
acquire the access right.
■Collateral information
• Common Information:–
• Individual Information:–
■Diagnostic Timing
• At power-ON/ At reset/ At Switching execution
Reset the CPU module and RUN it again. If the
same error is displayed again, the CPU module,
the Q6 WRB, or hardware of extension cable is
faulty. (Contact your local Mitsubishi representative,
explaining a detailed description of the problem.)
QnPRH
*9
1430
[MULTI-C.BUS ERR.]
The error of host CPU is detected in the Multiple
CPU high speed bus.
■Collateral information
• Common Information:–
• Individual Information:–
■Diagnostic Timing
• At power ON/ At reset
Reset the CPU module and RUN it again. 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.)
QnU
*10
Error
Code
Error Contents and Cause Corrective Action
LED Status
CPU Status
Corresponding
CPU
*4 Function version is B or later.
*8 The module whose first 5 digits of serial No. is "08032" or later.
*9 The module whose first 5 digits of serial No. is "09012" or later.
*10 The Universal model QCPU except the Q00UJCPU, Q00UCPU, Q01UCPU, and Q02UCPU.