Mitsubishi Electric L02SCPU User's Manual And Reference page 191

(b) Execution by remote operation
Open the "Create Backup Data for PLC Module Change" dialog box.
[Online]  [PLC Module Change]  [Create Backup Data...]
Clicking the
connection status and SD memory card insertion status.) Data size can be checked only when the backup operation was
executed by a remote operation.
(3) LEDs indicating backup status
Backup operation status can be checked by LED indication as shown below.
SD690 value Backup status
Backup start preparation
2
H
completed
3
Backup in execution
H
4
Backup completed
H
FF
Backup error
H
button displays the backup data size. (A value appears regardless of the CPU module
MODE: Flash (green), BAT.: Flash (yellow)
The color changes as follows at intervals of 800ms.
1) MODE: Flash (green), BAT.: On (green)

2) MODE: Flash (green), BAT.: On (green), USER: On (red)

3) MODE: Flash (green), USER: On (red)
MODE: Flash (green), BAT.: Flash (green)
MODE: Flash (green), BAT.: Flash (green), USER: Flash (red)
CHAPTER 3 CPU MODULE FUNCTIONS
LED indication
3
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