Mitsubishi MELSEC Q Series Programming Manual

12-5
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12
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12.1 Error Code List 12.1.3 Error code list (1000 to 1999)
1002
[MAIN CPU DOWN]
Runaway or failure of the CPU module
• Malfunctioning due to noise or other reason
• Hardware failure
■Collateral information
• Common Information:-
• Individual Information:-
■Diagnostic Timing
• Always
• 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,
explaining a detailed description of the
problem.)
RUN:
Off
ERR.:
Flicker
CPU Status:
Stop
QCPU
[CPU UNIT DOWN]
Runaway or failure of the CPU module
• Malfunctioning due to noise or other reason
• Hardware failure
■Collateral information
• Common Information:-
• Individual Information: Failure information
• Diagnostic Timing
• Always
LCPU
1003
[MAIN CPU DOWN]
Runaway or failure of the CPU module
• Malfunctioning due to noise or other reason
• Hardware failure
■Collateral information
• Common Information:-
• Individual Information:-
■Diagnostic Timing
• Always
QCPU
[CPU UNIT DOWN]
Runaway or failure of the CPU module
• Malfunctioning due to noise or other reason
• Hardware failure
■Collateral information
• Common Information:-
• Individual Information: Failure information
• Diagnostic Timing
• Always
LCPU
1004
[MAIN CPU DOWN]
Runaway or failure of the CPU module
• Malfunctioning due to noise or other reason
• Hardware failure
■Collateral information
• Common Information:-
• Individual Information:-
■Diagnostic Timing
• Always
QCPU
[CPU UNIT DOWN]
Runaway or failure of the CPU module
• Malfunctioning due to noise or other reason
• Hardware failure
■Collateral information
• Common Information:-
• Individual Information: Failure information
• Diagnostic Timing
• Always
LCPU
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