A30033 alarm in siemens 6RA80 DC Drive indicate that the hardware current limit for phase W responded. The pulsing in this phase is inhibited for one pulse period.

1. Check the motor circuit configuration (star/delta).
2. Check the motor load.
3. Check the power cable connections.
4. Check the power cables for short-circuit or ground fault.
5. Check the length of the power cables.