Mitsubishi Melsec-Q Series User Manual page 333

(4) When PARAMETER ERROR (error code: 3042) has occurred.
The PARAMETER ERROR
(error code: 3042) has occurred.
Is the parameter-valid
drive set in the program
memory?
YES
Write the "parameter
(PLC/Network/Remote)" to the
parameter-valid drive on GX
Developer.
Switch the power of the system from
OFF to ON or reset the CPU
module.
Is the PARAMETER ERROR
(error code: 3042) detected
again?
YES
Has the "Target
memory" selected the
current parameter-valid
drive on the screen of
write to PLC of GX
Developer?
YES
Since the CPU module may be
faulty, please contact your local
Mitsubishi representative, explaining
a detailed description of the problem.
NO
Is the "PARAM" set for
YES
booting to the program
memory with the "Boot
file setting" of the PLC
parameter?
NO
Set the "PARAM" for booting to the
program memory with the "Boot file
setting" of the PLC parameter.
NO
Completed
NO
Select a parameter-valid drive with
the "target memory" on the PLC
writing screen of GX Developer.
CHAPTER12 TROUBLESHOOTING
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