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mm 251 ovc question

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  • mm 251 ovc question

    just got a new mm251 and thought i'd check my supply voltage & ovc ; got 239 v single ph @ plug, 27.1 vdc @ drive. Miller specs 230v/1 & 28 ovc. Is this of any concern? Do these differences effect meter settings ? Will fire her up tomorrow.

  • #2
    You will need to adjust your weld settings slightly lower than the manual or door panel shows. Most people do as the charts are for a starting point.

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