Fronius MTB 330i G R Manual De Instrucciones página 34

Troubleshooting
Fault diagnosis No protective gas shield
All other functions are OK
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Wirefeed problems
when using long hosepacks
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Welding torch becomes very hot
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34
Gas cylinder is empty
Change the gas cylinder
The gas pressure regulator is faulty
Replace the gas pressure regulator
Gas hose is not fitted or is damaged
Fit or change the gas hose
Welding torch is faulty
Change the welding torch
Gas solenoid valve is faulty
Contact After-Sales Service
Incorrect arrangement of hosepack
Arrange the hosepack in as straight a line as possible, avoid tight bends
The specification of the welding torch is inadequate
Observe the duty cycle and loading limits
Only on water-cooled systems: Inadequate coolant flow
Check coolant level, coolant flow, for coolant contamination, etc. For further
information refer to the cooling unit operating instructions.