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Further experiments have lead me to conclude that the THC on/off button isn't doing anything and the THC remains on regardless. Any ideas on how to rectify that? Many thanks

Further info..... I just tried the following:

I set the nozzle at 1.5mm above the work. I then disconnected the Z stepper motor so the z axis can't go anywhere! I then cut a line just by jogging...

I've just run the following G-code (pierce at 3.8mm and cut at 2mm):

N0010 (Filename: test line.tap)
N0020 (Post processor: Redline cnc plasma.scpost)
N0030 (Date: 05/11/2015)
N0040 G21 (Units:...

Thanks Paul

I had a look at the Torch Control PCB and it says - Digital Torch Height Controller | Torch Height Controller | Torch Height Control | DTHC | THC | Mach3 THC | THC for Mach3 | plasma...

Hi, I'm hoping someone can help with the following:

I have the issues below with my new (new to me) CNC plasma with Hypertherm Powermax 45:

- using the recommended THC voltage from the...