Question about Inverter 50a Amp Plasma Cutter, Air , Cut50d 110/220vac

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I heard a pop like a large electrical component blowing. Now the fan won't come on and the unit shuts down after a few seconds. The consumables were still pretty good but replaces them after the p

I pulled the cover and can't see any obvious burnt parts. I didn't smell or see any smoke. I was cutting on an auto ruoftop to lighten it for racing. The unit worked well doing the same on another top early last year. I don't use the unit much but when I did, I never noticed any problems. I am not an electronic whiz but it has air, it is set up for 220 and I keep it in a dry workshop. I need this to work but pay the price for not having a local place to have it worked or or diagnosed. HELP!

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Very first thing I would check is for fuses. From there I would put a meter at different points for find out where the power stops. The will identify the component or the area that needs to be repaired. Main power supply is my guess for replacement.

Posted on Jan 21, 2013

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A mechanic would check everything in that circuit for shorts to ground.
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