Replacing The Cooling Fan - Siemens PM250 Hardware Installation Manual

Service and maintenance

5.2 Replacing the cooling fan

5.2 Replacing the cooling fan
The service life of the cooling fan
The average service life of the cooling fans is 50,000 hours. In practice, however, the service
life may deviate from this value. Especially a dusty environment can occlude the fan.
The fan must be replaced in good time to ensure that the inverter is available.
Cooling fan replacement for FSC
Preparatory steps
● Power-down the inverter
● Remove the Control Unit from the inverter
● Disconnect all the cables from the Power Module
● Place the Power Module face-down on a clean and safe surface
Removal
1. Using a posi-drive screwdriver, remove the fan retaining screws
2. Release the fan cable connector(s)
3. Slide the cooling fan out from the inverter
Installation
For re-installation, carry out the above steps in reverse order.
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Figure 5-1 Cooling fan removal FSC (5.5 kW ... 15 kW)
Hardware Installation Manual, 09/2012, A5E01003502B AD
PM250 Power Module