Sold AS/IS Sony Handycam DCR-TRV103 Digital8 Cam- Cassette issue cassete doesnt open, crack on outer screen. and get a C:31:40 error code The Sony error code C:31:40 typically indicates a problem with the video head drum assembly not spinning properly. This could be due to the motor not starting, spinning too fast, or being obstructed. A hard reset or cleaning the mechanism might resolve the issue, but professional repair or replacement of the drum motor may be necessary