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Poor-quality weld properties
Cause: Incorrect welding parameters
Remedy: Check settings
Cause: Poor grounding connection
Remedy: Establish good contact with workpiece
Cause: Too little or no shielding gas
Remedy: Check pressure regulator, gas hose, gas solenoid valve, welding torch gas
connection, etc.
Cause: Welding torch leaks
Remedy: Change welding torch
Cause: Incorrect or heavily worn contact tip
Remedy: Change contact tip
Cause: Incorrect wire alloy or incorrect wire diameter
Remedy: Check wire electrode in use
Cause: Incorrect wire alloy or incorrect wire diameter
Remedy: Check weldability of the base material
Cause: Shielding gas not suitable for wire alloy
Remedy: Use correct shielding gas
Irregular wire feed speed
Cause: Braking force has been set too high
Remedy: Loosen the brake
Cause: Hole in the contact tube is too narrow
Remedy: Use a suitable contact tube
Cause: Faulty inner liner in welding torch
Remedy: Check the inner liner for kinks, dirt, etc.
Cause: The feed rollers are not suitable for the wire electrode being used
Remedy: Use suitable feed rollers
Cause: Feed rollers have the wrong contact pressure
Remedy: Optimise the contact pressure
Wirefeed problems
when using long hosepacks
Cause: Incorrect arrangement of hosepack
Remedy: Arrange the hosepack in as straight a line as possible, avoid tight bends
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