Question about Miller 903777012 SPECTRUM 2050 PLASMA CUTTER

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Miller Spectrum 2050. No arc. Plenty of pressure. Checked trigger button and cable and contacts. No warning lights. Please help!

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SOURCE: spectrum 2050 plasma cutter will not arc

Possible failure of the trigger switch and or the cable back to the unit. Use an ophmmeter to check that the trigger and cable are good,

Then with the ohmmeter check the continuityu of the cable to the electrodes,

Connectors are always suspect.

These are starting ponts to check.

Posted on Mar 04, 2010

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Spectrum 2050 plasma cutter will not arc


Possible failure of the trigger switch and or the cable back to the unit. Use an ophmmeter to check that the trigger and cable are good,

Then with the ohmmeter check the continuityu of the cable to the electrodes,

Connectors are always suspect.

These are starting ponts to check.

Mar 04, 2010 | Miller 903777012 SPECTRUM 2050 PLASMA...

1 Answer

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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

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does this unit have a high side and a low side if it does plug it into the low side and try it.

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