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Troubleshooting
10.15
18 Troubleshooting
Symptom Cause Remedy
no ignition of acr no or bad ground contact check ground cable, ground clamp
wrong electrode diameter use right electrode
welding current too low increase welding current
Tungsten electrode dirty or not grinded
properly
grind electrode of use a different one
wrong amount of gas ow set gasow correctly
no shielding gas gas cylinder empty replace gas cylinder
pressure reducer defect replace pressure reducer
gas valve at torch not open or defect check, replace if necessary
too less shielding gas torch leaking check, replace if necessary
gas hose not tight tighten gas hose
pressure reducer set wrong or defect check, replace if necessary
pores in welding seam torch leaking check, replace if necessary
gas nozzle not tight tighten gas nozzle
torch head defect check, replace if necessary
workpiece dirty clean workpiece
draught shield work area
weld pool 'boils' (unsteady arc) no shielding gas supply check
wrong gas use right gas type
TIG electrode is melting welding current too high decrease welding current
TIG torch is connected to positive pole
connector 7
connect torch to negative pole 8
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