Error description 234-0021
Error message
HSCI communication error
Cause of error
The DMA from the MC memory to the HSCI master is still active when the HSCI transfer starts.
Possible causes:
- Internal software error
- Large number of "failed frames"
Error correction
If the error occurs together with a large number of failed frames:
- Check the HSCI cable connections
- Check the voltage supply to the devices
- Note further information in the control's diagnostic functions (bus diagnostics or TNCdiag)
The number of failed frames is shown in the bus diagnostics of the MC HSCI master.
If the error recurs:
- Create service files and save them
- Inform your service agency