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10. Troubleshooting
Trouble
Wire does not feed.
Wire is not energized.
Wire feeds unevenly.
Weld porosity.
Wire feeding stops or does not feed
properly during welding.
Check contact tip. Check for kinks in gun cable.
Check gun trigger plug connection at welding power source/wire feeder.
Check, and if necessary, replace gun trigger switch.
Check contact tip.
Check gun trigger plug connection at welding power source/wire feeder.
Check, and if necessary, replace gun trigger switch.
Check contact tip. Check for kinks in gun cable. Blow out liner and gun casing.
Remove weld spatter buildup in nozzle.
Make sure inner support tube is tight in cable connector.
Check shielding gas flow/supply.
Straighten gun cable and/or replace damaged parts.
Adjust drive roll pressure (see wire feeder manual).
Change to proper drive roll groove (see wire feeder manual).
Readjust hub tension (see wire feeder manual).
Clean or replace wire inlet guide or liner if dirty or plugged.
Replace drive roll or pressure bearing if worn or slipping (see wire feeder manual).
Remedy
OM-180 516 Page 7