Error description 231-C031

Error message

C031 Alarm with supply voltages

Cause of error

The supply voltages on a device in the HSCI line are outside of the specified range.
The HSCI bus diagnosis indicates which HSCI component triggered the error. Possible devices:
- MC main computer
- PL inputs/outputs
- MB machine operating panel
- Other CC in the HSCI line
Possible causes:
- Insufficient power supply to the devices
- Short circuit in the power supply
- Short circuit in PL inputs and outputs

Error correction

- Check the voltage supply to the devices
- Note further information in the control's diagnostic functions (bus diagnostics or TNCdiag)
- Check the wiring for possible short circuits (e.g., PLC inputs or outputs)
- Exchange the hardware
- Inform your service agency