Error description 234-0022

Error message

HSCI communication error

Cause of error

There has been no DMA from the MC memory to the HSCI master since the last HSCI data exchange.
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 voltage supply to the devices
- Check the HSCI cable connections
- 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