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8 Troubleshooting
NX-series Analog I/O Units User’s Manual for Analog Input Units and Analog Output Units (W522)
8-3 Checking for Errors and Troubleshooting on the Support Software
8
8-3-3 Event Codes and Corrections for Errors
The errors (i.e.,events) that occur in the Analog Input Units and Analog Output Units are given below.
The following abbreviations are used in the event level column.
Refer to the troubleshooting manual for the connected CPU Unit or Industrial PC for information on
NJ/NX/NY-series event codes.
8-3-3 Event Codes and Corrections for Errors
Abbreviation Name
Maj Major fault level
Prt Partial fault level
Min Minor fault level
Obs Observation
Info Information
Symbol Meaning
S Event levels that are defined by the system.
U
Event levels that can be changed by the user.
*1
*1. This symbol appears only for events for which the user can change the
event level.
Event code Event name Meaning Assumed cause
Level
Reference
Maj Prt Min Obs Info
00200000 hex Non-volatile
Memory
Hardware
Error
An error occurred in
non-volatile mem-
ory.
• Non-volatile memory failure S P. 8-14
10400000 hex Analog Unit
Calibration
Parameter
Error
An error occurred
for the calibration
data in the Analog
Unit.
• The power supply to the Analog
Unit was turned OFF or Support
Software communications were
disconnected while writing the
calibration values to the Ana-
log Unit.
S P. 8-15
10410000 hex Control
Parameter
Error in Mas-
ter
An error occurred in
the control parame-
ters that are saved
in the master.
For the NX bus of CPU Units
• The power supply to the CPU
Unit was turned OFF while writ-
ing the Unit operation settings
was in progress. Or there is an
error in the area of the non-vol-
atile memory in the CPU Unit in
which the Unit operation set-
tings for the relevant NX Unit
are saved.
For Communications Coupler
Units
• The power supply to the Com-
munications Coupler Unit was
turned OFF while writing the
Unit operation settings was in
progress. Or there is an error in
the area of the non-volatile
memory in the Communications
Coupler Unit in which the Unit
operation settings for the rele-
vant NX Unit are saved.
S P. 8-16
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