You have withdrawn the fan unit.
Installing the fan unit, FSD … FSF
Install the fan unit in the reverse order to what is described above.
When inserting the fan unit, you establish the electrical connection between the inverter and
fan unit.
Corrective maintenance
9.2 Replacing inverter components
SINAMICS G120C converter
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Operating Instructions, 09/2017, FW V4.7 SP9, A5E34263257B AF