User Manual

20
WWW.FORNEYIND.COM
PROBLEM POSSIBLE CAUSE POSSIBLE SOLUTION
Wire burns back to
contact tip.
Contact tip clogged or damaged.
Wire feed speed too slow.
Wrong size contact tip.
Bad connection from cable to
clamp.
Slag buildup inside nozzle or
nozzle is shorted.
Replace the contact tip.
Increase wire speed.
Use correct size contact tip.
Tighten clamp connection or
replace cable.
Clean or replace nozzle.
Workpiece clamp and/or
cable gets hot.
Wire feed speed too fast. Decrease wire feed speed.
Gun nozzle arcs to work
surface.
Nozzle clogged. Clean or replace nozzle
Wire pushes torch back
from the workpiece.
Torch held too far from the
workpiece.
Hold the torch at the right distance.
Poor quality welds. Insufficient gas at weld area.
Rusty, painted, oil or greasy
workpiece.
Rusty or dirty wire.
Poor gound contact.
Incorrect gas/wire combination
Check that the gas is not being
blown away by drafts and, if so,
move to more sheltered weld area.
If not check gas cylinder contents
gauge, regulator setting and
operation of gas valve.
Ensure workpiece is clean and dry.
Ensure wire is clean and dry.
Check gound clamp/workpiece
connection.
Check the manual for the correct
combination.
Weld deposit “stringy” and
incomplete.
Torch moved over workpiece too
quickly.
Gas mixture incorrect.
Move the torch slower.
See shielding gas table.
Weld deposit too thick. Torch moved over workpiece too
slowly.
Welding voltage too low.
Move the torch faster.
Increase welding voltage.