ESAB Esp-1000 Plasmarc System Manual De Instrucciones página 311

section 5
5.4 troubleshooting Guide (con't.)
Problem
3. Poor cut quality - (cont)
4. No pilot arc.
Probable Cause
Damaged nozzle
Wrong travel direction
(good angle on scrap side)
Plate shifting while being
cut.
Slag buildup on cut table.
Contaminated electrode.
Insufficient spark gap
setting (in plumbing box).
Pilot Arc Contactor (PAC)
malfunctioning.
Blown fuse in pilot arc or
starting circuit.
Improperly assembled torch
or broken torch pilot arc
cable.
Broken or improperly
connected pilot arc cable
between plumbing box and
power source.
Insufficient Open Circuit
Voltage (OCV).
Gas flow improperly set.
Improper clamping of stain-
less steel torch body.
Conductive water muffler
hoses.
Water leak in torch.
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Remedy
Plate not level - ensure work is level. Torch not per-
pendicular to work - ensure torch is plumb (perpen-
dicular) to work.
With standard swirl parts the most square side of the
cut is on the right side of the direction of travel.
Small, thin, or light weight plates can shift while cut-
ting. Clamp them down.
Clean slag from cut table.
Clean or replace electrode.
Set spark gap to 0.040" (+.004").
Refer to power source manual.
Refer to power source manual.
Reassemble torch properly or replace torch pilot arc
cable.
Replace or verify connections between
plumbing box and power source.
Refer to power source manual.
Refer to Subsections 4.1 and 4.2.
Clamp onto non-conductive sleeve above
indicated mark.
Replace with non-conductive hoses.
Determine cause of leak.