
Self-diagnosis  Function
When the 
| First three characters | Cause and/or Corrective Action | 
| 
 | 
 | 
| C13 | •The disc is dirty. | 
| 
 | /Clean the disc with a cleaning cloth (page 7). | 
| 
 | 
 | 
| C31 | •The disc is not inserted correctly. | 
| 
 | /Insert the disc correctly. | 
| 
 | 
 | 
Exx (xx is any number)
•To prevent the player from malfunctioning, the 
Information Additional
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