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12-14
1431
[MULTI-C.BUS ERR.]
The communication error with other CPU is
detected in the Multiple CPU high speed bus.
■Collateral information
• Common Information:Module No. (CPU No.)
• Individual Information:–
■Diagnostic Timing
• At power ON/ At reset
• Take noise reduction measures.
• Check the main base unit mounting status of the
CPU module.
• 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.)
RUN:
Off
ERR.:
Flicker
CPU Status:
Stop
QnU
*10
1432
[MULTI-C.BUS ERR.]
The communication time out with other CPU is
detected in the Multiple CPU high speed bus.
■Collateral information
• Common Information:Module No. (CPU 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 CPU module has
hardware failure. (Contact your local Mitsubishi
representative, explaining a detailed description of
the problem.)
1433
[MULTI-C.BUS ERR.]
The communication error with other CPU is
detected in the Multiple CPU high speed bus.
■Collateral information
• Common Information:Module No. (CPU No.)
• Individual Information:–
■Diagnostic Timing
• Always
• Take noise reduction measures.
• Check the main base unit mounting status of the
CPU module.
• 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.)
1434
1435
1436
[MULTI-C.BUS ERR.]
The error of the Multiple CPU high speed main
base unit is detected. (The error of the Multiple
CPU high speed bus is detected.)
■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.)
1437
• Take noise reduction measures.
• Check the main base unit mounting status of the
CPU module.
• 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.)
1439
[MULTI-C.BUS ERR.]
An error of the multiple CPU high speed main base
unit was detected. (An error of the multiple CPU
high speed bus was detected.)
■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.)
1500
[AC/DC DOWN]
• A momentary power supply interruption has
occurred.
• The power supply went off.
■Collateral information
• Common Information:–
• Individual Information:–
■Diagnostic Timing
• Always
Check the power supply.
RUN:
On
ERR.:
Off
CPU Status:
Continue
QCPU
Error
Code
Error Contents and Cause Corrective Action
LED Status
CPU Status
Corresponding
CPU
*10 The Universal model QCPU except the Q00UJCPU, Q00UCPU, Q01UCPU, and Q02UCPU.