Poor weld properties
(severe spattering)
Incorrect electrode polarity
Reverse electrode polarity (refer to manufacturer's instructions)
Poor grounding (earthing) connection
Fasten earthing clamps directly to workpiece
Setup parameters not ideal for selected welding process
Select the optimal settings in the Setup menu for the selected weld-
ing process
Cause:
Remedy:
Cause:
Remedy:
Cause:
Remedy:
Tungsten electrode melting
Tungsten inclusions in base metal during the ignition phase
Incorrect tungsten electrode polarity
Connect the TIG welding torch to the (-) current socket
Incorrect (or no) shielding gas
Use inert shielding gas (argon)
Cause:
Remedy:
Cause:
Remedy:
47
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