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General Mach Discussion / Proma THC works in test mode only

« on: January 22, 2013, 12:06:16 AM »

I'm new to the plasma cutting scene and while I'm slowly learning how to use all this new technology I'm stuck at trying to get my Proma Electronika THC to work. I have a Viper Plasma 3 x 3 Table with Gecko g540 driver. Everlast Power Plasma 60C with a A81 machine Torch. I'm using Corel Draw 6 for my DXF files and Sheetcam and Mach3 for processing. The Proma THC seems to work when I try it in test mode. My Z axis goes up and down I can see all the correct lights in Mach3 for Arc OK, Torch Up and down. When I try to actually cut a part the Torch goes to the first pierce, lowers, fires and just stays there. I have to hit the torch button or Estop to shut it down. I've been reading as much as I can find on the subject and trying all kinds of setting changes but can't seem to solve the problem. Any help will be greatly appreciated.