9 Troubleshooting
9 - 10
NX-series Communications Interface Units User’s Manual (W540)
Error Descriptions
Event name Non-volatile Memory Hardware Error Event code 00200000 hex
Meaning An error occurred in non-volatile memory.
Source
Depends on where the Support
Software is connected and the
system configuration.
Source
details
NX Unit
Detection
timing
When power is
turned ON to
the NX Unit
Error attributes
Level Minor fault Log category System
Recovery
For the NX bus of CPU Units
Cycle the power supply to the Unit or restart the NX bus.
For Communications Coupler Units
Cycle the power supply to the Unit or restart the Slave Terminal.
If the errors are detected in the Controller, reset all of the errors in the Controller.
Effects
User program
Continues. Operation Writing to non-volatile memory will not be possible.
System-defined
variables
Variable Data type Name
None ---
---
Cause and
correction
Assumed cause Correction Prevention
Non-volatile memory failure. For the NX bus of CPU Units
Cycle the power supply to the
Un
it or resta
rt the NX bus. If the
error persists even after you
make the above correction,
replace the relevant NX Unit.
For Communications Coupler
Un
its
Cycle the power supply to the
Unit or restart the Slave Termi-
nal. If the error persists even
a
f
ter you make the above cor-
rection, replace the relevant NX
Un
it.
None
Attached
information
None
Precautions/
Remarks
None