Probing/Bed Mesh again after priming nozzle

Sliced a model in SuperSlicer, uploaded and started the job. The machine performs Z-tilt and mesh probing, before heating the nozzle to temperature and starting primeline.
Then it decides to do bring nozzle-temp. back down to 150*C and do the Z-tilt and bed mesh once again!
What am I doing wrong?
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