6.3
Replacing a fan
For frame sizes FSA … FSC the fan module is installed at the bottom. For frame sizes
FSD … FSF it is located at the top.
For frame sizes FSA and FSB the fan module has one fan, for frame sizes FSC ... FSF, two
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.
6.3.1
Fan replacement FSA … FSC
Replacing the fan modules for inverters, frame sizes FSA … FSC
Proceed as follows to replace a fan module:
1. Switch-off the inverter, and wait 5 minutes until the DC link capacitors have been discharged.
2. Withdraw the line and motor cable plug connectors and, if available, remove the braking
resistor from the Power Module.
3. Remove the shield plate from the Power Module.
4. Remove the fan module from the Power Module in steps
①
and
②
as shown in the
diagram. Use a screwdriver if necessary.
SX
OO
5. Install the new fan module in the inverse sequence.
You have replaced the fan module.
Service and maintenance
6.3 Replacing a fan
Power Module PM240-2
70
Hardware Installation Manual, 08/2017, A5E33294624B AG
