Filter
Top Products
12-4
12.1.3 Error code list (1000 to 1999)
The following shows the error messages from the error code 1000 to 1999, the contents and
causes of the errors, and the corrective actions for the errors.
Error
Code
Error Contents and Cause Corrective Action
LED Status
CPU Status
Corresponding
CPU
1000
[MAIN CPU DOWN]
Runaway or failure of CPU module or failure of
main CPU
• Malfunctioning due to noise or other reason
• Hardware fault
■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 is displayed again, this suggests a
CPU module hardware fault.(Contact your local
Mitsubishi representative.)
RUN:
Off
ERR.:
Flicker
CPU Status:
Stop
QCPU
1001
[MAIN CPU DOWN]
Runaway or failure of CPU module or failure of
main CPU
• Malfunctioning due to noise or other reason
• Hardware fault
• Accessed to outlying devices with the device
range checks disabled (SM237 is turned on)(This
error occurs only when BMOV, FMOV, and
DFMOV instructions are executed.)
(Universal model QCPU only)
■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 is displayed again, this suggests a
CPU module hardware fault.(Contact your local
Mitsubishi representative.)
• Check the devices specified by BMOV, FMOV,
and DFMOV instructions and correct the device
settings.
(Universal model QCPU only)
1002 [MAIN CPU DOWN]
Runaway or failure of CPU module or failure of
main CPU
• Malfunctioning due to noise or other reason
• Hardware fault
■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 is displayed again, this suggests a
CPU module hardware fault.(Contact your local
Mitsubishi representative.)
1003
1004
1005
[MAIN CPU DOWN]
Runaway or failure of CPU module or failure of
main CPU
• Malfunctioning due to noise or other reason
• Hardware fault
■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 is displayed again, this suggests a
CPU module hardware fault.(Contact your local
Mitsubishi representative.)
[MAIN CPU DOWN]
Boot operation was performed in the transfer
destination without formatting.
■Collateral information
• Common Information:–
• Individual Information:–
■Diagnostic Timing
•At power ON
• Before performing boot operation by the
parameter, select "Clear program memory" to
clear the program memory.
Qn(H)
QnPH
QnPRH