Hello good sir,

I'm new to cnc and stuff.
Just got this chinese machine 3018 pro last week and everything is going well until this morning.
I updated stock grbl to v1.1h.20190825 with arduino software and everything went wrong.
COM disconnected for no reason, grblControl not detected (sometimes, and i have to restart my pc), starting point is way off (x-axis is off about -40 mm, and y-axis is off about -18 mm).
So i decided to flash it back to stock version, everything is back to normal but y-axis starting point. It's still off, but only by 2.5 mm.
What should i do to fix this starting point issue?

Fyi,
I did use Candle 1.1 after update grbl to v1.1h.20190825.



Thanks in advance,

Richard

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