324
1433
[MULTI-C.BUS ERR.]
The communication error with other CPU is
detected in the multiple CPU high speed
transmission.
■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 code is displayed again, the
cause is a hardware failure of the CPU
module. Please consult your local
Mitsubishi representative.
RUN: Off
ERR.:Flashing
CPU Status:Stop
QnU
1434
[MULTI-C.BUS ERR.]
The communication error with other CPU is
detected in the multiple CPU high speed
transmission.
■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 code is displayed again, the
cause is a hardware failure of the CPU
module. Please consult your local
Mitsubishi representative.
RUN: Off
ERR.:Flashing
CPU Status:Stop
QnU
1435
[MULTI-C.BUS ERR.]
The communication error with other CPU is
detected in the multiple CPU high speed
transmission.
■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 code is displayed again, the
cause is a hardware failure of the CPU
module. Please consult your local
Mitsubishi representative.
RUN: Off
ERR.:Flashing
CPU Status:Stop
QnU
1436
[MULTI-C.BUS ERR.]
The error of the multiple CPU high speed main
base unit is detected. (An error of the multiple
CPU high speed transmission 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 code is displayed again, the
cause is a hardware failure of the CPU
module. Please consult your local Mitsubishi
representative.
RUN: Off
ERR.:Flashing
CPU Status:Stop
QnU
1437
[MULTI-C.BUS ERR.]
The error of the multiple CPU high speed main
base unit is detected. (An error of the multiple
CPU high speed transmission is detected.)
■Collateral information
• Common information: -
• 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 code is displayed again, the
cause is a hardware failure of the CPU
module. Please consult your local
Mitsubishi representative.
RUN: Off
ERR.:Flashing
CPU Status:Stop
QnU
1439
[MULTI-C.BUS ERR.]
The error of the multiple CPU high speed main
base unit is detected. (An error of the multiple
CPU high speed transmission is detected.)
■Collateral information
• 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 code is displayed again, the
cause is a hardware failure of the CPU
module. Please consult your local
Mitsubishi representative.
RUN: Off
ERR.:Flashing
CPU Status:Stop
QnU
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
LCPU
Error
code
Error and cause Corrective action
LED status,
CPU status
Corresponding
CPU