Mitsubishi MELSEC Q Series Programming Manual

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12.1 Error Code List 12.1.3 Error code list (1000 to 1999)
1416
[CONTROL-BUS. ERR.]
An error was detected on the system bus.
■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 code is displayed again, the
cause is a failure of the intelligent function module,
CPU module, or base unit. (Please consult your
local Mitsubishi representative, explaining a
detailed description of the problem.)
RUN:
Off
ERR.:
Flicker
CPU Status:
Stop
Qn(H)
*8
QnPH
QnU
[CONTROL-BUS. ERR.]
An error was detected on the system bus in the
multiple CPU system.
■Collateral information
• Common Information: Module No. (Slot No.)
• Individual Information:-
■Diagnostic Timing
• At power-on/At reset
Q00CPU
*8
Q01CPU
*8
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, the control system
cannot access the extension base unit because it
has failed to acquire an 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 code is displayed again, the cause is a
hardware failure of the CPU module, Q6WRB, or
extension cable. (Please consult your local
Mitsubishi representative, explaining a detailed
description of the problem.)
QnPRH
*15
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 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.)
QnU
*20
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 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.)
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 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.)
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