One of the brothers here in our toolroom wheeled in his MIG welder for repair. It is a Fronius magicwave 3000. It is displaying the code UP The welder is 400volt 50 hz . Apparently the fault is something to do with the way he shut the welder down.. there is a set procedure and he didn't follow it, just shutting the power off cold. Now there is this fault code being displayed. and no output. any ideas?
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