Replacing A Fan - Siemens SINAMICS G120 Hardware Installation Manual

6.2

Replacing a fan

Service life of the fan
The average service life of the fan is 40,000 hours. In practice, however, the service life may
deviate from this value. Especially a dusty environment can block up the fan.
The fan must be replaced in good time to ensure that the inverter is ready for operation.
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.
You have withdrawn the fan unit.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.
PM240P-2 Power Modules
Hardware Installation Manual, 11/2016, A5E37800827C AB
DANGER
Danger to life as a result of live parts and components
Death or serious injury can result when live parts are touched.
● Wait until the discharge time elapses, which is stamped on the inverter warning plates
and labels.
Service and maintenance
6.2 Replacing a fan
① ②
and as shown in the diagram.
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