Fronius TransTig 1750 Puls Operating Instructions Manual page 81

Remedy: Change the gas cylinder
Cause: Gas pressure regulator is faulty
Remedy: Change the gas pressure regulator
Cause: The gas hose is not fitted or is damaged
Remedy: Fit/change the gas hose
Cause: The welding torch is faulty
Remedy: Change the welding torch
Cause: Gas solenoid valve is faulty
Remedy: Replace gas solenoid valve
Poor weld properties
Cause: Incorrect welding parameters
Remedy: Check the settings
Cause: Grounding (earthing) connection is incorrect
Remedy: Check the earth (ground) connection and clamp for correct po-
larity
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
79