6 Troubleshooting
6 - 14
NX-series NX1P2 CPU Unit Hardware User’s Manual (W578)
10020000 hex Non-volatile
Memory Data
Corrupted
A file that must be
in non-volatile
memory is missing
or corrupted.
• The Controller power supply
was turned OFF while the
BUSY indicator was lit.
• The power supply to the Con-
troller was interrupted momen-
tarily while the BUSY indicator
was lit.
• The CPU Unit has failed.
S page 6-36
10080000 hex Main Memory
Check Error
An error was
detected in the
memory check of
the main memory in
the CPU Unit.
• Conductive material has gotten
inside.
• Noise
• There is a software error.
• The CPU Unit has failed.
S page 6-37
100B0000 hex Non-volatile
Memory Data
Corrupted
A file that must be
in non-volatile
memory is missing
or corrupted.
• The Controller power supply
was turned OFF while the
BUSY indicator was lit.
• The power supply to the Con-
troller was interrupted momen-
tarily while the BUSY indicator
was lit.
• The CPU Unit has failed.
S page 6-38
100C0000 hex Event Level
Setting Error
The settings in the
event level setting
file are not correct.
• The event level settings are not
correct because the power sup-
ply to the Controller was inter-
rupted or communications with
the Sysmac Studio were dis-
connected during a download
of the event level settings.
• The event level settings are not
correct because the power sup-
ply to the Controller was inter-
rupted during a Clear All
Memory operation.
• Non-volatile memory failed.
S page 6-38
100F0000 hex Present Val-
ues of
Retained
Variables
Restoration
Error
An error occurred in
the software and
the present values
of retained vari-
ables could not be
restored at startup.
The values were
initialized.
• An error occurred in the soft-
ware.
S page 6-39
10100000 hex Present Val-
ues of
Retained
Variables Not
Saved
A forced shutdown
is performed or an
error occurred in
the software and
the present values
of retained vari-
ables could not be
saved during
power-OFF pro-
cessing.
• A forced shutdown is per-
formed.
(NY-series Controllers)
• An error occurred in the soft-
ware.
S page 6-40
40020000 hex PLC System
Processing
Error
A fat
al error was
detected
in the PLC
Function Module.
• An error occurred in the soft-
ware.
S page 6-41
40030000 hex PLC System
Processing
Error
A fatal error was
detected in the PLC
Function Module.
• An error occurred in the soft-
ware.
S page 6-41
40040000 hex PLC System
Processing
Error
A fatal error was
detected in the PLC
Function Module.
• An error occurred in the soft-
ware.
S page 6-41
Event code Event name Meaning Assumed cause
Level
Reference
Maj Prt Min Obs Info
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