Fronius Robacta Twin Compact Bedienungsanleitung Seite 33

Troubleshooting
Troubleshooting
No welding current
Mains switch ON, indicators on the power source are lit up, shielding gas flows
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No protective gas shield
All other functions are OK
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Poor welding properties
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Faulty earth (ground) connection
Check the earth (ground) connection and clamp for correct polarity
There is a break in the current cable in the welding torch
Change the torch
The gas cylinder is empty
Change the gas cylinder
The gas pressure regulator is faulty
Replace the gas pressure regulator
The gas hose is not connected, damaged or kinked
Connect/replace the gas hose, or straighten out kinks
The welding torch is faulty
Replace welding torch
Gas solenoid valve is faulty
Replace gas solenoid valve
Incorrect welding parameters
Check the settings
Poor connection to earth (ground)
Ensure good contact to workpiece
Not enough shielding gas, or none at all
Check the pressure regulator, gas hose, gas solenoid valve and torch
gas connection. On gas cooled welding torches, inspect the gas seals,
use a suitable inner liner.
Welding torch leaking
Exchange the welding torch
Contact tube either too big, or worn out
Change the contact tube
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