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Blinking over temp then weak arc on Miller 212. Bad board?

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  • M J Mauer
    replied
    Welcome to the forum.

    Leave a comment:


  • cruizer
    replied
    Well since amperage has to do with wirespeed feed, and you had several motor over heats, going to suggest that your drive motor is trashed.

    Leave a comment:


  • Blinking over temp then weak arc on Miller 212. Bad board?

    Hey all,
    I have an older (non autoset) Miller 212 and was getting a blinking over temp welding while some 1/4 inch plate. As I understand it, a *blinking* overtemp light actually means overcurrent in the drive motor. I may have been getting this a few times before I noticed what was going on. I adjusted the roller pressure and spool tension and now I'm not getting an overtemp light, but I'm getting an extremely weak arc at any voltage setting. Did this sound like I burned the board out or something else? Any ideas what might be going on here and the fix? Thanks!

    -e
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