Error finishing read when plasma activated

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07 Jul 2023 00:36 #274921 by Scooby
I am the final stages of commissioning my corexy plasma cutter controlled with a 7i96s.  Today I finally got the touch off code working, so moved to firing up the plasma cutter.  The M3 S1 gcode is switching the plasma cutter on (connected to outputs 4ab) - air blasts and the plasma momentarily appears before getting the error - hm/hm2_7i96s.0 :error finishing read! Iter=18747.  I have also issued the M3 S1 with the plasma switched off, no error. Any ideas? 

Thanks,
Mark

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07 Jul 2023 00:42 #274922 by tommylight
CoreXY plasma? Really?
Niceeeeeeeeee :)
But, you have issues with grounding and/or wiring, so stop firing the torch, something will go ...
This is a very short guide by Hypertherm
forum.linuxcnc.org/media/kunena/attachme...400r0_2021-03-28.pdf
But probably will need more reading and checking the wiring and shielding.

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