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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 flow
set gasflow 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
