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Troubleshooting Guide - LORCH MicorStick 200 ControlPro Bedienungshandbuch

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16 Troubleshooting guide

16.1 Troubles during welding
Symptom
Displays remain dark
No welding current
no ignition of acr
no shielding gas
too less shielding gas
pores in welding seam
weld pool 'boils' (unsteady
arc)
TIG electrode is melting
- 30 -
Cause
mains fuse defect
neutral, mains phase missing
ground cable not connected or defect
electrode holder or torch not connected or
defect
no or bad ground contact
wrong electrode diameter
welding current too low
Tungsten electrode dirty or not grinded
properly
wrong amount of gas flow
gas cylinder empty
pressure reducer defect
gas valve at torch not open or defect
torch leaking
gas hose not tight
pressure reducer set wrong or defect
torch leaking
gas nozzle not tight
torch head defect
workpiece dirty
draught
no shielding gas supply
wrong gas
welding current too high
TIG torch is connected to positive pole con-
nector 7
909.2779.9-00
Troubleshooting guide
Remedy
exchange mains fuse
check mains cable / mains extension
cable
check ground cable, exchange if neces-
sary
check electrode holder or torch, ex-
change if necessary
check ground cable, ground clamp
use right electrode
increase welding current
grind electrode of use a different one
set gasflow correctly
replace gas cylinder
replace pressure reducer
check, replace if necessary
check, replace if necessary
tighten gas hose
check, replace if necessary
check, replace if necessary
tighten gas nozzle
check, replace if necessary
clean workpiece
shield work area
check
use right gas type
decrease welding current
connect torch to negative pole 8
09.16

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Diese Anleitung auch für:

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