Mitsubishi Melsec-Q Series User Manual page 331

(2) When "PARAMETER ERROR" (error code: 3040) has occurred.
The PARAMETER ERROR (error
code: 3040) has occurred.
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: 3040) 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
Completed
NO
Select a parameter-valid drive with
the "target memory" on the PLC
writing screen of GX Developer.
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