Fronius MTB 330i G R Bedienungsanleitung & Ersatzteilliste Seite 35
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Poor weld properties
Cause:
Incorrect welding parameters
Remedy:
Check the settings
Cause:
Poor ground earth connection
Remedy:
Ensure good contact to workpiece
Cause:
Inadequate or no protective gas shield
Remedy:
Check the pressure regulator, gas hose, gas solenoid valve, torch gas con-
nection, etc.
Cause:
Welding torch is leaking
Remedy:
Change the welding torch
Cause:
Wrong contact tip, or contact tip is worn out
Remedy:
Replace the contact tip
Cause:
Wrong wire alloy or wrong wire diameter
Remedy:
Check the wire electrode that has been inserted
Cause:
Wrong wire alloy or wrong wire diameter
Remedy:
Check weldability of the base material
Cause:
The shielding gas is not suitable for this wire alloy
Remedy:
Use the correct shielding gas
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