PROBLEM POSSIBLE CAUSE POSSIBLE SOLUTION
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.
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