Section E
Troubleshooting
Trouble
No wire feed at torch, feeder not operating, i.e. no slave motor or brake solenoid.
No wire feed at torch, feeder operating properly.
Wire feeds, but welding wire is not energized.
Wire feeds erratically.
Wire feeds one speed only.
Wire walks out of drive rolls.
Cause
115/42 VAC Control fuse in feeder/Control box blown.
Broken electrical cable.
24 VAC Control fuse in feeder/Control box blown.
Bad potentiometer.
Broken Electrical Cable.
Bad Speed control/PCB
Loose or no cable connections.
Contactor control cable loose or in wrong position.
Welding power source.
Dirty or worn conduit.
Wrong size contact tip.
Idler roll stuck.
Bad potentiometer.
Broken electrical cable.
Bad speed control.
Idler roll
Rear wire guide missing.
Remedy
Replace fuse.
Replace switch. Check switch for operation.
Check
Check motor leads for shorts; then replace fuse.
Check potentiometer with meter.
Check motor and potentiometer wires for continuity.
See specifi c cabinet/ control box owners manual for speed control operation.
Check all power connections.
Check power supply owners manual for location and type of contactor signal required.
Check power source.
Blow out or replace conduit.
See Contact tip table.
Check for lock washer under idler roll, or replace if damaged.
Check with meter.
Check potentiometer wires for continuity or short.
See specific cabinet/ control owners manual for speed control operation.
Place groove in idler roll toward top.
Replace wire guide.
