Running different brand servo motor with ACOPOS 1016

Already quite out of ideas, tbh.
The error indicates that when switching on, the current measured speed is > 5% of the rated speed, which still leads me to exploring the resolver settings.
You could try setting a position filter, probably something around 0.0008 or 0.004 (see second to last setting in your last screenshot)
Other than that, tracing the value (ParID 251) while trying the phasing could be a good idea, maybe it shows some spikes or generally a noisy encoder signal

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