5-53
5 Troubleshooting
NJ-series CPU Unit Hardware User’s Manual (W500)
5-2 Troubleshooting
5
5-2-4 Error Descriptions
* This event code occurs for unit version 1.03 or later of the CPU Unit.
Event name CJ-series Unit Restore Operation Failed Event code 102E 0000 hex*
Meaning The restore operation for a CJ-series Unit ended in an error.
Source PLC Function Module Source details I/O bus master Detection
timing
During restore
operation
Error attributes Level Observation Recovery --- Log category System
Effects User program --- Operation Not affected.
System-defined
variables
Variable Data type Name
None --- ---
Cause and
correction
Assumed cause Correction Prevention
An error occurred in the Unit Configu-
ration. (when 4 is given for attached
information 1 (Error Details))
Eliminate the error in the Unit Config-
uration.
Restore the data when there are no
errors in the Unit Configuration.
An error occurred for a Special Unit.
(when 2 is given for attached informa-
tion 1 (Error Details))
Eliminate the error for the Special
Unit.
Restore the data when there are no
errors for the Special Unit.
The Unit Configuration in the backup
file does not agree with the physical
Unit configuration. (when 5 is given
for attached information 1 (Error
Details))
Make sure that the Unit Configuration
in the backup file agrees with the
physical Unit configuration.
Make sure that the Unit Configuration
in the backup file agrees with the
physical Unit configuration before you
attempt to restore the data.
A restart is in progress for the Special
Unit. (when 2 is given for attached
information 1 (Error Details))
Restore the data when there is no
restart command for the Special Unit.
Do not restart the Special Unit when a
restore operation is in progress. Do
not attempt to restore data during a
restart.
The restore conditions that are
required by the Special Unit are not
met. (when 3 is given for attached
information 1 (Error Details))
Check the restore conditions in the
manual for the Special Unit and make
sure that they are met.
Check the restore conditions in the
manual for the Special Unit and make
sure that they are met.
The backup files are corrupted. (when
3 is given for attached information 1
(Error Details))
Format the SD Memory Card with the
Sysmac Studio and then place the
backup file on it.
Do not remove the SD Memory Card
or turn OFF the power supply while
the SD BUSY indicator is lit. Replace
the SD Memory Card periodically
according to the write life of the SD
Memory Card.
The CPU Unit or CJ-series Unit has
failed. (when 1 is given for attached
information 1 (Error Details))
If none of the above causes applies,
replace the CPU Unit or the CJ-series
Unit.
None
Attached
information
Attached Information 1: Error Details
1: It was not possible to read the backup file.
2: Communications with a Special Unit failed.
3: The restore operation for a Special Unit failed.
4: The CJ-series Unit could not be detected.
5: The Unit Configuration in the backup file does not agree with the physical Unit configuration.
Attached information 2: Rack number where error was detected, 0 to 3 (when 2 or 3 is given for Error Details)
Attached information 3: Slot number where error was detected, 0 to 9 (when 2 or 3 is given for Error Details)
Attached information 4: System Information (when 2 is given for Error Details)
Precautions/
Remarks
None
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