51
EN
Welding torch becomes very hot
Cause: The specification of the welding torch is inadequate
Remedy: Observe the duty cycle and loading limits
Cause: Only on water-cooled systems: Inadequate coolant flow
Remedy: Check coolant level, coolant flow, for coolant contamination, etc. For further
information refer to the cooling unit operating instructions.
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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