Spindle Speed Control

[jq_quint]

I had this exact issue bud, m3 sxxx had no effect apart from it ramping upto max rpm like a banshee.
I had to rewire between the invertor and motor control board, I sketched it all out , I'll find the link out as I posted the fix.
Not saying it's exactly the same but worth looking into


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[Kev2960]

Cheers thanks very much that would be very helpful