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9 Troubleshooting
NX-series Communications Interface Units User’s Manual (W540)
9-3 Checking for Errors and Troubleshooting on the Support Software
9
9-3-3 Event Codes for Errors and Troubleshooting Proce-
dures
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: Inputs are stopped.
Output data: Outputs are stopped.
System-defined
variables
Variable Data type Name
None ---
---
Cause and cor-
rection
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 rele-
vant NX Unit.
None
There is a hardware error in a
CPU Un
it.
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 rele-
vant NX Unit.
None
There is a hardware error in the
Co
mmu
nications Coupler Unit.
If the error occurs in all of the
NX Units mounted on a Com-
munications Coupler Unit,
repl
ace th
e Communications
Coupler Unit.
None
Attached infor-
mation
None
Precautions/
Remarks
None
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