Справочник Пользователя для Mitsubishi Electronics QCPU

12-4

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.

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