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No welding current
Mains switch is ON and indicators are lit up
Cause: Grounding (earthing) connection is incorrect
Remedy: Check the grounding (earthing) connection for correct polarity
Cause: There is a break in the power cable in the welding torch
Remedy: Replace the welding torch
No protective gas shield
All other functions are OK
Cause: Gas cylinder is empty
Remedy: Change the gas cylinder
Cause: The gas pressure regulator is faulty
Remedy: Replace the gas pressure regulator
Cause: Gas hose is not fitted or is damaged
Remedy: Fit or change the gas hose
Cause: Welding torch is faulty
Remedy: Change the welding torch
Cause: Gas solenoid valve is faulty
Remedy: Contact After-Sales Service
Irregular wire feed speed
Cause: Hole in the contact tip is too narrow
Remedy: Use a suitable contact tip
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
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