Siemens SINAMICS G120P Hardware Installation Manual page 66

Service and maintenance
5.2 Replacing components
Replacing the internal cooling fan FSA ... FSC
The PM230 Power Modules have two sets of cooling fans, one fan is internal and the other is
external. The internal cooling fan is mounted inside at the top of the Power Module housing.
The internal cooling fan on the PM230 FSA to FSC is a complete fan modules and does not
require any tools to remove and replace the fan. The power connection on the fan unit is an
integral part of the fan module and does not require separate removal.
Preparatory steps
● Power-down the Inverter (ensure that all external power sources are disconnected)
● Remove any external power to the Control Unit
● Allow at least 5 minutes for the Power Module to completely discharge.
● Remove the Power Module cover
Removal
1. Disconnect the fan module power lead (indicated in the figure below as
2. Press down on the fan module release clip (indicated in the figure below as
3. Pull the fan module out of the guide rail (indicated in the figure below as
Figure 5-3
66
FSA to FSC internal fan replacement
Hardware Installation Manual, 11/2014, A5E35319202B AA
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PM230 Power Module IP55