CD3## (bizhub C554/C454)
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Contents
| Trouble type | Nonvolatile data error | 
| Trouble code | CD3## | 
| Rank | – | 
| Detection timing | Abnormality is detected by the abnormal check of each nonvolatile data. | 
| Trouble isolation | – | 
- Trouble code [C-D370] will be displayed when multiple errors (over 5) of nonvolatile data are detected, which can be restored with one restoration command.
 - Data backup will be automatically performed every hour. Backup can also be performed manually with the following setting.
[Service Mode] -> [Enhanced Security] -> [Memory Data Back Up] 

- When a trouble caused by nonvolatile data error occurs, the screen below appears.
 - Select [Yes].
 - The screen will be shifted to the data restoration screen to perform data restoration. NOTE: When the restoration is performed in a short time, data restoration screen may not be displayed.
 - Check the message which indicates that the data restoration was successfully conducted. Turn OFF the main power switch and turn it ON again more than 10 seconds after.     NOTE: In case it failed to restore data, return to the trouble code screen.
 
K3.16.15 (Link to the Field Service Manual)
