Error description 237-10028

Error message

10028 CC%2: UEC dc-link voltage too low (U-min: %4, U-act: %5)

Cause of error

- DC-link voltage of the UEC is too low

Error correction

- Check the wiring of the UEC
- Check the 3-phase voltage supply of the UEC
- Check the line fuses
- Monitor for sporadic power failures