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6 Troubleshooting
NX-series NX1P2 CPU Unit Hardware User’s Manual (W578)
6-2 Troubleshooting
6
6-2-3 Error Table
Errors Related to the NX Bus
Event code Event name Meaning Assumed cause
Level
Reference
Maj Prt Min Obs Info
04100000 hex NX Bus Con-
troller Error
An error occurred in
the NX bus.
• An I/O communications error
occurred between the CPU
Unit and the NX Unit.
S page 6-49
04110000 hex NX Bus
Hardware
Error
A hardware error
was detected in the
NX Bus Function
Module.
• A hardware error related to the
NX bus was detected.
S page 6-49
10600000 hex NX Bus
Memory
Check Error
An error was
detected in the
internal memory
check for the NX
Bus Function Mod-
ule.
• An error was detected in the
memory check for the internal
protection circuit.
S page 6-50
10610000 hex Failed to
Read NX Unit
Operation
Settings
Reading the NX
Unit operation set-
tings failed. Cycle
the power supply to
the CPU Unit to
restore the previous
normally-saved set-
tings.
• The NX Unit operation settings
are not saved normally in the
CPU Unit.
S page 6-50
24D00000 hex Number of
Mountable
NX Units
Exceeded
The number of
mounted NX Units
exceeds the speci-
fied value for the
CPU Unit.
• More than the maximum num-
ber of NX Units are mounted
on the CPU Unit.
S page 6-51
24D20000 hex Total I/O Data
Size in NX
Units Exces-
sive
The total size of I/O
data in the mounted
NX Units exceeds
the maximum spec-
ified value for the
CPU Unit.
• The total size of I/O data in the
mounted NX Units exceeds the
maximum specified value for
the CPU Unit.
S page 6-51
35900000 hex NX Unit Ver-
sion Not
Matched
There is a mounted
NX Unit with a unit
version earlier than
that in the Unit con-
figuration informa-
tion registered in
the CPU Unit.
• The unit version of an NX Unit
mounted in the actual configu-
ration is earlier than that in the
Unit configuration information
registered in the CPU Unit.
S page 6-52
35910000 hex Unregistered
NX Unit
Mounted
There is a mounted
NX Unit that does
not exist in the Unit
configuration infor-
mation registered in
the CPU Unit.
If there are more
than one NX Unit
relevant to this
event, only the NX
Unit that is nearest
to the CPU Unit is
registered with the
event.
• There is a mounted Unit that
does not exist in the Unit con-
figuration information regis-
tered in the CPU Unit.
• There is a mounted Unit in
which the NX Unit Mounting
Setting is set to Disabled
.
S
page 6-53
35930000 hex NX Unit
Serial
Num-
ber Mismatch
There is a mounted
NX Unit with a
serial number differ-
ent from that in the
Unit configuration
information regis-
tered in the CPU
Unit.
• There is no mounted NX Unit
with the serial number that you
set in the Unit configuration
information registered in the
CPU Unit.
S page 6-54
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