Fan Replacement Fsd - Siemens SINAMICS G12 Hardware Installation Manual

6.3.2 Fan replacement FSD ... FSF
Removing the fan unit, FSD ... FSF
Procedure
Proceed as follows to remove the fan unit:
1. Switch off the inverter power supply.
2. Remove the fan unit from the Power Module in steps
Use a screwdriver if necessary.
3. Additionally for PT devices:
Remove the interior fan as shown below.
Power Module PM240-2
Hardware Installation Manual, 08/2017, A5E33294624B AG
WARNING
Electric shock due to residual charge in power components
After the power supply has been switched off, it takes up to 5 min. until the capacitors in
the inverter have discharged so that the remaining charge is at a non-hazardous level.
● Check the voltage at the inverter connections before you carry out any installation work.
Service and maintenance
6.3 Replacing a fan
① ②
and as shown in the diagram.
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