Description
There is a short circuit at the DC bus output of the rectifier unit at drive unit position arg.
Consequences
No operation is possible until the fault is corrected. The system will go to "Motor Off" state.
Possible causes
- There is a fault in the DC line connected to the DC bus.
- There is a short circuit in one or more of the connected drive module drive units.
Recommended actions
- Check the DC bus wiring.
- Isolate the shorted drive unit and replace it.
- If the problem persists, replace the unit.