plasma cutters...

[JeepcoMJ]

I have a miller spectrum 300 plasma cutter, and it has been a Godsend.

 

 

BUT. the thing is putting +24vac to the air solenoid at all times now. air solenoid could use a new seat, but they only sell the whole thing for $70.

 

 

the PC board is bad, which is why it's putting constant power to it...that's a $300 part.

 

 

my choices...wait, hopefully find another 300 for parts or cheap so this can be a parts one, or just drop $750 on a good lightly used spectrum 400 locally. I could probably get it closer to $650 from the guy. it's a better cutter that can cut thicker steel, too.

 

 

what would you do? I would rather fix this than buy a $400 chop saw and have it be much less useful. I use this for building bumpers, rock rails, even for cutting out designs for some lawn decorations and stuff for my mom.

[jimoshel]

Any chance of just finding the defective component on the board and replacing it? Is there a schematic of the unit pasted inside the cabinet? Barring either of those options, I'd just get the heavier unit.

[MancheKid86]

Any chance of just finding the defective component on the board and replacing it? Is there a schematic of the unit pasted inside the cabinet? Barring either of those options, I'd just get the heavier unit.

[JeepcoMJ]

already went at it with a multimeter to see if I could figure it out. no dice.

 

 

either I buy the parts, or buy a new one.