OM-180 516 Page 7
10. Troubleshooting
Trouble Remedy
Wire does not feed. 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.
Wire is not energized. Check contact tip.
Check gun trigger plug connection at welding power source/wire feeder.
Check, and if necessary, replace gun trigger switch.
Wire feeds unevenly. Check contact tip. Check for kinks in gun cable. Blow out liner and gun casing.
Weld porosity. Remove weld spatter buildup in nozzle.
Make sure inner support tube is tight in cable connector.
Check shielding gas flow/supply.
Wire feeding stops or does not feed
properly during welding.
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).