It’s crucial to set EQMOD sync to Dialogue Based and to clear out any pointing model you may already have.
You don’t need to create any alignment model, platesolving will handle your pointing and alignment for you, any pointing model will clash with what the auto centreing is trying to do and that’s what you’ve been seeing.
I’ve since moved to a different mount but had EQMOD and centering working flawlessly for several years, see my settings in this old post;