Part cooling fan issues after printer upgrade

I just finished my 3.1 upgrade. Also added EBB42 and Beacon.
I'm still in the commissioning phase but I suspect that my part cooling fan is not working. I'm not printing yet, but when I operate the fan slider in the UI Miscellaneous section, nothing happens. But that should start the fan - right?
I wired my Nidec fan according to the build guides (I beleive, at least).
Red and Black are going to PA8 on my Octopus Pro 446.
Blue is going to PA1 on the EBB42.
Configurator was set to Digital PWM on 2-pin port.
Pictures of wiring and ratos.cfg attached.
What am I missing?
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RatOS.cfg14.28KB
Solution
OK - solved it.
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