Mitsubishi MELSEC Q Series Programming Manual

12-18
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 code is displayed again, the cause is
a failure of the CPU module. (Please consult
your local Mitsubishi representative, explaining
a detailed description of the problem.)
RUN:
Off
ERR.:
Flicker
CPU Status:
Stop
QnU
*20
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 code is displayed again, the cause is a
failure of the CPU module. (Please consult 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 code is displayed again, the cause is
a failure of the CPU module. (Please consult
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 code is displayed again, the cause is a
failure of the CPU module. (Please consult 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
LCPU
1510
[SINGLE PS. DOWN]
The power supply voltage of either of redundant
power supply modules on the redundant base unit
dropped.
■Collateral information
• Common Information:
Base No./Power supply No.
• Individual Information:-
■Diagnostic Timing
• Always
Check the power supplied to the redundant power
supply modules mounted on the redundant base
unit.
RUN:
On
ERR.:
On
CPU Status:
Continue
Qn(H)
*10
QnPH
*10
QnPRH
QnU
*17
1520
[SINGLE PS. ERROR]
On the redundant base unit, the one damaged
redundant power supply module was detected.
■Collateral information
• Common Information:
Base No./Power supply No.
• Individual Information:-
■Diagnostic Timing
• Always
The cause is a hardware failure of the redundant
power supply module. (Please consult your local
Mitsubishi representative, explaining a detailed
description of the problem.)
Qn(H)
*10
QnPH
*10
QnPRH
QnU
*17
Error
Code
Error Contents and Cause Corrective Action
LED Status
CPU Status
Corresponding
CPU

Mitsubishi MELSEC Q Series Specifications

General

Brand	Mitsubishi
Model	MELSEC Q Series
Category	Controller
Language	English