Omron NJ501-1400 User Manual page 232

5 Troubleshooting
Event name CJ-series Unit Backup Failed
Meaning The backup operation for a CJ-series Unit ended in an error.
Source PLC Function Module
Error attributes Level
Effects User program
System-defined Variable
variables
None
Cause and Assumed cause
correction
An error occurred in the Unit Configu-
ration. (when 4 is given for attached
information 1 (Error Details)).
An error occurred for a Special Unit.
(when 2 is given for attached informa-
tion 1 (Error Details))
A restart is in progress for the Special
Unit. (when 2 is given for attached
information 1 (Error Details))
A Unit model or Special Unit unit num-
ber in the Unit Configuration in the
CPU Unit is different from the Unit
model or the Special Unit unit number
of the Unit that is mounted in the Con-
troller (when 5 is given for attached
information 1 (Error Details)).
The CPU Unit or CJ-series Unit has
failed. (when 1 is given for attached
information 1 (Error Details))
Attached Attached Information 1: Error Details
information
1: It was not possible to create the backup file.
2: Communications with a Special Unit failed.
4: The CJ-series Unit could not be detected.
5: The Unit Configuration in the CPU Unit and the physical Unit configuration are not consistent.
Attached information 2: Rack number where error was detected, 0 to 3 (when 2 is given for Error Details)
Attached information 3: Slot number where error was detected, 0 to 9 (when 2 is given for Error Details)
Attached information 4: System Information (when 2 is given for Error Details)
Precautions/ None
Remarks
* This event code occurs for unit version 1.03 or later of the CPU Unit.
5-52
Source details
Observation Recovery
Continues. Operation
Data type
---
Correction
Eliminate the error in the Unit Config-
uration.
Eliminate the error for the Special
Unit.
Back up the data when there is no
restart command for the Special Unit.
Correct the Unit Configuration in the
CPU Unit or the physical Unit configu-
ration so that there are no inconsis-
tencies.
If none of the above causes applies,
replace the CPU Unit or the CJ-series
Unit.
Event code 102D0000 hex*
I/O bus master Detection
timing
--- Log category
Not affected.
Name
---
Prevention
Back up the data when there are no
errors in the Unit Configuration.
Back up the data when there are no
errors for the Special Unit.
Do not restart the Special Unit when a
backup operation is in progress. Do
not attempt to back up data during a
restart.
Make sure that the Unit Configuration
in the CPU Unit and the physical Unit
configuration are consistent when you
back up the data.
None
NJ-series CPU Unit Hardware User's Manual (W500)
During backup
operation
System