51
EN
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
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
The welding torch becomes very hot
Cause: The design dimensions of the welding torch are not sufficient for this task
Remedy: Observe the duty cycle and loading limits
Cause: Inadequate coolant flow
Remedy: Check coolant level, flow rate, contamination, etc., Coolant pump blocked:
Tighten the coolant pump shaft