3 Error Tables
3-26
NJ-series Troubleshooting Manual (W503)
54012C02 hex
(Ver. 1.05)
NX Message
Timeout
A timeout occurred during
execution of an NX mes-
sage.
• The specified NX Unit
does not exist.
• The NX message was
closed because it
timed out.
• Power to the remote
Unit is OFF.
• Communications are
stopped at the remote
Unit.
• The communications
cable connector is dis-
connected.
• The communications
cable is broken.
• Noise
S NJ-series
Instruc-
tions Ref-
erence
Manual
(Cat. No.
W502)
54012C03 hex
(Ver. 1.05)
Incorrect NX Mes-
sage Length
The length of the NX mes-
sage is not correct.
• The size that is speci-
fied for WriteDat or
Path is too long.
S Same as
above.
54012C05 hex
(Ver. 1.05)
NX Message
EtherCAT Network
Error
An error occurred in Ether-
CAT communications on
the NX message path.
• An error occurred in
EtherCAT communica-
tions on the NX mes-
sage path.
S Same as
above.
54012C06 hex
(Ver. 1.05)
External Restart
Already Executed
for Specified NX
Units
A restart was already in
execution from the Sysmac
Studio when the instruction
was executed.
• A restart was already
in execution from the
Sysmac Studio when
the instruction was
executed.
S Same as
above.
54012C07 hex
(Ver. 1.05)
Unapplicable Unit
Specified for
Instruction
A slave that cannot be
specified for the instruction
was connected at the slave
node address of the speci-
fied Unit.
• A slave that cannot be
specified for the
instruction was con-
nected to the slave
node address of the
specified Unit.
S Same as
above.
54013461 hex Process Data
Object Setting
Missing
The PDO mapping is not
correct.
• The PDOs that are
required for the motion
co
ntrol instruction are
not mapped.
• The rele
vant instruc-
tion was executed for
a device that does not
have an object that
supports the instruc-
tion.
• A motion control
instruction that speci-
fies phase Z
(_mcEncoderMark) as
the trigger conditions
was executed for an
axis that is mapped to
an OMRON GX-
EC02@@ EtherCAT
Encoder slave.
S Same as
above.
54015420 hex Electronic Gear
Ratio Numerator
Setting Out of
Range
The parameter specified for
the RatioNumerator input
variable to a motion control
instruction is out of range.
• Instruction input
parameter exceeded
the valid range of the
input variable.
S Same as
above.
54015421 hex Electronic Gear
Ratio Denomina-
tor Setting Out of
Range
The parameter specified for
the RatioDenominator input
variable to a motion control
instruction is out of range.
• Instruction input
parameter exceeded
the valid range of the
input variable.
S Same as
above.
Event code Event name Meaning Assumed cause
Level
Refer-
ence
Maj Prt Min Obs Info
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