Mitsubishi MELSEC Q Series Programming Manual page 929

Error
Error Contents and Cause
Code
[RAM ERROR]
The address RAM in the CPU module is faulty.
■Collateral information
• Common Information:-
1104
• Individual Information:-
■Diagnostic Timing
• At power-on/At reset
[RAM ERROR]
The CPU memory in the CPU module is faulty.
■Collateral information
• Common Information:-
• Individual Information:-
■Diagnostic Timing
• At power-on/At reset
1105
[RAM ERROR]
The CPU shared memory in the CPU module is
faulty.
■Collateral information
• Common Information:-
• Individual Information:-
■Diagnostic Timing
• At power-on/At reset
[RAM ERROR]
The program memory was corrupted due to battery
exhaustion.
■Collateral information
1106
• Common Information:-
• Individual Information:-
■Diagnostic Timing
• STOP→RUN/When an END instruction executed
[RAM ERROR]
1107
The work area RAM in the CPU module is faulty.
■Collateral information
• Common Information:-
• Individual Information:-
■Diagnostic Timing
1108
• At power-on/At reset
[RAM ERROR]
The work area RAM in the CPU module is faulty.
■Collateral information
• Common Information:-
1109
• Individual Information:-
■Diagnostic Timing
• Always
[TRK. CIR. ERROR]
A fault was detected by the initial check of the
tracking hardware.
■Collateral information
1110
• Common Information:-
• Individual Information:-
■Diagnostic Timing
• At power-on/At reset
[TRK. CIR. ERROR]
A tracking hardware fault was detected.
■Collateral information
• Common Information:-
1111
• Individual Information:-
■Diagnostic Timing
• At power-on/At reset
Corrective Action
• 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.)
• Check the battery to see if it is dead or not. If
dead, replace the battery.
• Take noise reduction measures.
• Format the program memory, write all files to the
PLC, then 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.)
The cause is a hardware failure of the CPU
module. (Please consult your local Mitsubishi
representative, explaining a detailed description of
the problem.)
LED Status Corresponding
CPU Status CPU
Q00J/Q00/Q01
Qn(H)
QnPH
QnPRH
Q00J/Q00/Q01
QnU
*8
Qn(H)
QnPH
QnPRH
QnU
Qn(H)
*12
QnPH
RUN:
QnPRH
Off
ERR.:
Flicker
CPU Status:
Stop
QnPRH
*13
Qn(H)
*13
QnPH
*15
QnPRH
QnPRH
12-9
1
2
3
12
6
6
7
8