902.x Internal fault
Description
The output stage is defective or the end stage cannot be approved.
Remedy
- HV generator box A120 defective; replace box A120.
or
Description
The output driver is overloaded.
Remedy
- Perform diagnostics with HV CPF 400 measuring adapter.
or
Description
This error should never occur.
Remedy
- Update UNICONTROL software.
or
Description
The DC link voltage is too low.
Remedy
- Check 24Â V emergency stop power supply.
- HV generator box A120 defective; replace box A120.