3 Error Tables
3-102
NJ-series Troubleshooting Manual (W503)
The following table lists the events that can occur for NX-series Safety Control Units with the following
model numbers.
NX-SL@@@@
NX-SI@@@@
NX-SO@@@@
Safety CPU Units
NX-series Safety Control Units
Event code Event name Meaning Assumed cause
Level
Reference
Maj Prt Min Obs Info
05200000 hex System Error A hardware error
was detected dur-
ing self-diagnosis of
the hardware.
• Hardware has failed.
• A memory error occurred due
to a transient cause, such as a
software error or excessive
noise.
SNX-series
Safety Control
Unit User’s
Manual (Z930)
10500000 hex NX Bus Com-
munications
Settings
Read Error
There is an error in
the NX bus commu-
nications settings
that are saved in
non-volatile mem-
ory.
• A hardware failure occurred in
the non-volatile memory.
• Power was turned OFF while
saving data to the non-volatile
memory.
S Same as
above.
10510000 hex Safety Appli-
cation Data
Read Error
There is an error in
the safety applica-
tion data that is
saved in non-vola-
tile memory.
• A hardware failure occurred in
the non-volatile memory.
• Power was turned OFF while
saving data to the non-volatile
memory.
S Same as
above.
10520000 hex NX Bus Com-
munications
Settings and
Safety Appli-
cation Data
Mismatch
There is an error in
the safety applica-
tion data that is
saved in non-vola-
tile memory.
• The NX bus communications
settings that were transferred to
the Safety CPU Unit do not
match the safety application
data.
S Same as
above.
10530000 hex Non-volatile
Memory
Access Error
Reading/writing
non-volatile mem-
ory failed.
Non-volatile memory failed. S Same as
above.
35200000 hex Safety Pro-
cess Data
Communica-
tions Not
Established
Error
Safety process data
communications
was not estab-
lished with one or
more safety slaves.
• The communications settings
for safety process data are not
correct, the safety slave is not
in the correct status, etc.
• The safety slave for safety pro-
cess data communications is
not connected.
• The safety slave for safety pro-
cess data communications is
disabled.
S Same as
above.
55000000 hex Division by
Zero
Division by zero
was detected.
The divisor is zero. S Same as
above.
55010000 hex Cast Error A casting error was
detected.
A value was input that exceeded
the range of the receiving vari-
able.
S
Same as
abov
e.
55020000 hex MUX Error An MUX instruction
error was detected.
The value of the selection input
(K) to the MUX instruction is not
correct.
S Same as
above.
74A00000 hex SF_Antivalen
t Error
An error was
detected in execu-
tion of a safety
function block.
Refer to information on the diag-
nostic code that is given for
attached information 1 in the NX-
series Safety Control Unit Instruc-
tions Reference Manual (Cat. No.
Z931)
S Same as
above.
To Next Page
Loading...
Need help?
General
