It theoretically "shouldn't" matter, but you do seem to have a problem with the FoC LED ALWAYS coming on, correct? I would still try a wire directly from the FoC pad to the control pad on the PEX first, then if you still have a problem, then try wiring it the way I suggested.
Also check the PEX carefully and make sure you didn't accidentally bridge something on the underside of the PEX
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