Have a newly acquired Lincoln 225 used welder. Off switch flash upon shut down.

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This machine is very clean and probably not used much. It welds very smoothly as a new one. My concern is when upon shutting it off, I see a flash from under the bottom directly below the switch. Anyone ever have that?
Reply:

Originally Posted by Sandyboy

This machine is very clean and probably not used much. It welds very smoothly as a new one. My concern is when upon shutting it off, I see a flash from under the bottom directly below the switch. Anyone ever have that?
Reply:Probably fairly normal, unless it's huge I wouldn't get wound up about it.
Reply:

Originally Posted by John T

The switch may be going bad.  I would take it apart and see if you can clean up the contacts etc.  I know yours is a 225,  But here is the backside of an idealarc roundtop.


Reply:Make sure you disconnect it from the power source!NRA LIFE MEMBERUNITWELD 175 AMP 3 IN1 DCMIDSTATES 300 AMP AC MACHINELET'S GO BRANDON!"Those who would give up essential Liberty, to purchase a little temporary Safety, deserve neither Liberty nor Safety.” BENJAMIN FRANKLIN