A01385 fault in siemens 6RA80 DC Drive indicate that the Controller Extension incorrectly inserted. This means he topology comparison has detected a controller extension 32 (CX32) in the actual topology that has been incorrectly inserted with respect to the target topology.

1. Insert the components involved at the right connection (correct the actual topology).
2. Adapt the project/parameterization in the commissioning software (correct the target topology).
3. Automatically remove the topology error (p9904).