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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 Ch
eckin
g
fo
r Er
ro
rs and
T
rou
blesh
oot
ing
on
the
Supp
ort So
ftwar
e
8
8-3
-4 Meaning of Er
ror
Event name
NX Unit Clock Not Synchronized Error
Event code
80240000 hex
Meaning
A time information error occurred in an NX Unit.
Source
Depends on where the Support
Software is connected and the
system configuration.
Source details
NX Unit
Detection
timing
Continuously
Error
attributes
Level
Minor fault
Log category
System
Recovery
For the NX bus of CPU Units
Cycle the power supply to the Unit.
For Communications Coupler Units
Cycle the power supply to the Unit and then reset all of the errors in the Controller.
Effects
User program
Continues.
Operation
The NX Unit will continue to operate.
Input data: Updating input values stops.
Output data: The output values depend on the Load
Rejection Output Setting.
Sys-
tem-defined
variables
Variable
Data type
Name
None
---
---
Cause and
correction
Assumed cause
Correction
Prevention
For the NX bus of CPU Units
There is a hardware error in an
NX Unit.
If the error occurs only in a spe-
cific NX Unit, replace the relevant
NX Unit.
None
There is a hardware error in a
CPU Unit.
If the error occurs in all of the NX
Units mounted on a CPU Unit,
replace the CPU Unit.
None
For Communications Coupler Units
There is a hardware error in an
NX Unit.
If the error occurs only in a spe-
cific NX Unit, replace the relevant
NX Unit.
None
There is a hardware error in an
EtherCAT Coupler Unit.
If the error occurs in all of the NX
Units mounted on a Communica-
tions Coupler Unit, replace the
Communications Coupler Unit.
None
Attached
information
None
Precautions/
Remarks
None
Summary of Contents for NX-AD series
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