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9 Troubleshooting
NX-series Safety Control Unit User’s Manual (Z930)
9-3 Checking for Errors with the Sysmac Studio
9
9-3-4 Error Descriptions
Other Errors
Event name NX Bus Communications Settings Read Error Event code 10500000 hex
Meaning There is an error in the NX bus communications settings that are saved in non-volatile memory.
Source Depends on where the Sysmac Stu-
dio is connected and the system con-
figuration.
Source details NX Unit Detection timing At power ON or
restart
Error attributes Level Minor fault Recovery When settings
are transferred
Log category System
Effects User program Continues. Operation I/O refreshing stops for the Safety CPU Unit.
System-defined
variables
Variable Data type Name
None None None
Cause and
correction
Assumed cause Correction Prevention
A hardware failure occurred in the
non-volatile memory.
Transfer the Slave Terminal configu-
ration information to the Safety CPU
Unit again.
Replace the CPU Unit if the error
occurs again.
None
Power was turned OFF while saving
data to the non-volatile memory.
Do not turn OFF the power supply
while transferring parameters from
the Sysmac Studio.
Attached
information
None
Precautions/
Remarks
None
Event name Safety Application Data Read Error Event code 10510000 hex
Meaning There is an error in the safety application data that is saved in non-volatile memory.
Source Depends on where the Sysmac Stu-
dio is connected and the system con-
figuration.
Source details NX Unit Detection timing At power ON or
restart
Error attributes Level Minor fault Recovery When settings
are transferred
Log category System
Effects User program Continues. Operation The safety program is not executed in the Safety CPU
Unit and it operates in PROGRAM mode.
System-defined
variables
Variable Data type Name
None None None
Cause and
correction
Assumed cause Correction Prevention
A hardware failure occurred in the
non-volatile memory.
Transfer the safety application data to
the Safety CPU Unit again.
None
Power was turned OFF while saving
data to the non-volatile memory.
Do not turn OFF the power supply
while transferring parameters from
the Sysmac Studio.
Attached
information
None
Precautions/
Remarks
None