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PlasmaPart Limited Instructions © 2014
Troubleshooting - Appendix 2
PROBLEM
POSSIBLE CAUSE
SOLUTION
Plasma arc
stops while
cutting
Hand too tense,
inadvertently releasing the
cut switch
Hold the torch lightly against the material being cut, don't
push down. Try and relax the hand.
Cutting speed too slow
Torch moved too far away
from material
Compressor unable to keep
up with air demand
Check air pressure gauge reading when cut stops.
Check air pressure is 60psi with cut switch pressed.
Check torch lead connections at unit and torch are tight.
Check torch hose is undamaged.
Check Black Shroud for fractures.
Check compressor, give the compressor time to recover
if making long cuts when using a smaller compressor.
Check the regulator fittings have been assembled
properly using PTFE tape.
Technical problem with the
unit
Sparks are
shooting upward
not downward
through the
material
Plasma arc not piercing
material
Torch travel speed is too fast
Check grounding clamp is making a good connection to
the material being cut and is tightly connected at the unit.
Clean a patch of material for clamp if rusty
Increase current