Thank you, Jasem,
I started the Web profile manager and loaded ZWO EFW and connected the filter wheel directly to the RP. Before that I restarted the home wifi rooter. This solved the problem. Using an old profile that worked before loaded ZWO EFW automatically, but creating a profile anew using the profile wizard fails to load ZWO EFW automatically. I need to start the Web profile manager and load ZWO EFW manually in addition to ZWO cameras and the EQmod mount that are loaded automatically.

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