Question about Miller 903777012 SPECTRUM 2050 PLASMA CUTTER

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Miller 3080 plasma ,won't fire

Ready lite on , have air flow and pressure, no mspark no fire

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Check groun dconnection on workpiece and where connected to machine>> check reset switch.>
There is a screw in fuse on the back make shure you unplug the machine befor removing any fuse or working on any electrical problem.>>OUCH!

Posted on Jan 29, 2009

  • Marcel Desrosiers Feb 20, 2015

    so it is save to buy a almost new one a man have and he say no fire for 100.00

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Miller Plasma not cutting properly keeps ruining tips


It may be an air pressure problem. Plasma cutters require a constant flow of air at a certain pressure to work properly. If the compressor can't keep up and the pressure drops it can create problems. Have someone watch the pressure gauge while you're cutting to see if the pressure remains steady. You may need to adjust the compressor pressure switch or you may need a larger compressor.
Hope this helps.
Bob

Mar 27, 2015 | AO Smith Miller / LSI / Home / Nordyne...

1 Answer

Furnace will not stay lite, flashes pressure valve closed


Too much or too little pressure. Check for air blockage or an ice blockage inside or outside the house. Were flames good color when lit?

Nov 12, 2014 | AO Smith Miller / LSI / Home / Nordyne...

1 Answer

I have a Miller Spectrum 625. The problem I am having is that after cutting for three seconds the torch quits cutting. Have had it looked at a Miller repair center. They said they cut with it for over...


Hi:
I found similar problem with few customers and one issue (should I said the standard issue) is the source of air. You need a steady pressure and flow of air into the machine. Check your air compressor you will need at least 6 cubic feet per minute (360 cubic feet per hour) and a 90 psi of pressure. Since there is no way to check the flow (unless you have an online flow meter at you air pipe) check the pressure at your air tank (reservoir), if the pressure drops below the 70 PSI then that's the problem; your compressor can't stand the flow. Other than that check your ground clamp and make sure it's making a good contact.
Good Luck.

Sep 15, 2011 | Miller SPECTRUM 625 SPECTRUM PLASMA CUTTER...

1 Answer

Miller plasma cutter not cutting


Hi:

Miller plasma are pretty realiable. Without more details; what you need to do is check the contact tip and the electrode if these ones are won, replace them. If still doesn't work; check your air pressure; main source must give you at leats 90 psi and 9 SCFM of flow,

Good Luck

Mar 12, 2011 | Miller Welding Tools

1 Answer

It runs when u press the trigger theres no fire or air comes out


Is the compressed air pressure in the limits for the unit to work. try turning the pressure up.

Aug 01, 2010 | Miller 903777012 SPECTRUM 2050 PLASMA...

1 Answer

Spectrum 2050 plasma cutter . Cutter blows air and stops when trigger is pulled no pilot arc or any cutting when trig is released air flows again and stop after 10 sec new tips was working the day...


Check compressed air pressure is in limits otherwise unit will cut out. Try adjusting the pressure up. also make sure the supply pressure is correct as it may not be your plasma cutter at fault.

Jul 30, 2010 | Miller 903777012 SPECTRUM 2050 PLASMA...

1 Answer

It runs but when you press tha trigger theres no


go to miller.com they have downloads for most everything they make. it sounds like you might have a ground problem or a bad connection in the tip

Jan 24, 2010 | Miller 903777012 SPECTRUM 2050 PLASMA...

1 Answer

Pilot wont lite. miller spectrum 701


check the cables in the plasma torch.

If the problem continues, theres no enough power to start it.

Jan 04, 2010 | Miller SPECTRUM 375 PLASMA CUTTER 903891...

1 Answer

Miller 2050 that will not spark.


This is relative to 3 causes , contol board , pwm board or torch

Feb 28, 2009 | Miller 903777012 SPECTRUM 2050 PLASMA...

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