Cause : power unit not inserted comes when the topology comparison has detected a power unit that is missing in the actual topology with respect to the target topology.

Adapting topologies:

- insert the components involved at the right connection (correct the actual topology).
- adapt the project/parameterization in the commissioning software (correct the target topology).

Check the hardware:

- check the 24 V supply voltage.
- check DRIVE-CLiQ cables for interruption and contact problems.
- check that the component is working properly.