please give more info , your control etc.
My touch off works once every 20 times or more. Does anyone else have trouble with their touch off plates
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please give more info , your control etc.
Without more info I'd check for a short, bad or loose connection or noise/interference.
Mine is spotty, also. It almost never sets the first try, but almost always does the second. Lately even setting the Z zero manually does the same thing. PNP NEMA 34, Mach3, CRP touchplate.
Saturn 2 4848
CRP Plug & Play NEMA 34, 2.2kw Spindle, Mach3