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Miller Maxstar 280 Dead, PC1 Troubleshooting Help

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  • #16
    The mods are the power modules on PC1 that attach to the heatsink. The checks up above are probably close to the pre-power checks in the technical manual for the mods, but cruizer is absolutely right about using the ones published in the tech manual if you're looking to replace assemblies inside. Your switch looks good.

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    • #17
      Originally posted by jjohn76 View Post
      The mods are the power modules on PC1 that attach to the heatsink. The checks up above are probably close to the pre-power checks in the technical manual for the mods, but cruizer is absolutely right about using the ones published in the tech manual if you're looking to replace assemblies inside. Your switch looks good.
      Can anyone say with confidence that replacing PC1 would fix this machine? Otherwise, I'm about an inch away from buying an HTP Invertig 221.

      And again, thanks for all the help.
      Last edited by LittleBird; 05-29-2020, 07:54 PM.

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