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Replacing the cooling fan of the WFU filter
To remove the fan, release the retaining clips (arrowed). Pull the fan holder out.
Disconnect the fan cable. Carefully bend the clips on the fan holder to free the fan.
Install a new fan in reverse order.
Note: The airflow direction is bottom-to-top. Install the fan so that the airflow arrow
points up.
WFU-01 and WFU-02
WFU-21 and WFU-22
Maintenance