
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 po wer 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 po wer 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 po wer 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 po wer 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.