Operation, service and maintenance
6.3 Replacing fans
PM250 Power Module
Hardware Installation Manual, 01/2016, A5E36265179B-AA
49
Replacing fans
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.
Fan replacement, frame size FSC
Procedure
1. Switch-off the inverter.
2. Remove the Control Unit from the inverter.
3. Disconnect all the cables from the Power Module.
4. Place the Power Module on a clean and secure surface with its front side down.
5. Replace the fan as described below
6. Release the two screws
①
7. Remove the fan from the device
②
8. Release the fan connector
③
Install the new fan in the inverse sequence.
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