Sony DAV-S300 Operating Instructions - Page 59

Self-diagnosis Function When the self-diagnosis function works to prevent the system from malfunctioning, a five-character service number (combination of a letter and digits) flashes on the screen or the front panel display depending on the cause. In this case, check the following table. C:13:00 First three characters C 13 C 31 E xx (xx is any number) Cause and/or Corrective Action •The disc is dirty. ,Clean the disc with a cleaning cloth (page 6). •The disc is not inserted correctly. ,Open the disc tray and insert the disc correctly. •To prevent the system from malfunctioning, the self-diagnosis function has worked. ,When you contact your Sony dealer or local authorized Sony service facility, give the 5-character service number. (example: E 61 10) Additional Information 59