Question about Plasma Cutters
Will not arc, operates as it always did , air set at 70 lbs, air kicks in upon depressing trigger and normally arc begins in about 5 seconds,but now it doesn"t. ckecked ground with meter, contact all the way.incoming voltage checked on both legs coming in,220 v single phase.took torch apart, ohmed out wiring checked good no breaks in torch lead.220 going to primary coil,pulled trigger checked output voltage to torch 16 volts.when torch should kick in two red leds come on on logic board. ? is there a thermal protection overload on these machines and where? can it be reset.fuses checked good
Check contacts in tip and be sure it is all lubed correctly. If you have good air pressure and flow it should arc after pulling the trigger for about 2-3 seconds.
Posted on Nov 10, 2008
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