Fronius TPS/i Robotics TWIN Push Operating Instructions Manual page 90

No function after setting a welding start signal
Power source switched on, displays illuminate
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No welding current
Power source switched on, displays illuminate
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no shielding gas
all other functions present
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Irregular wire speed
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Wirefeed issues
For applications with long hosepacks
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90
Interconnecting hosepack faulty or not connected correctly
Check interconnecting hosepack
No communication with the robot controls
Check the communication with the robot controls
Incorrect ground connection
Check ground connection for polarity
Power cable in welding torch damaged or broken.
Replace welding torch
Gas cylinder empty
Change gas cylinder
Gas pressure regulator faulty
Replace gas pressure reducer
Gas hose not attached, or damaged
Attach or replace gas hose
Welding torch faulty
Change welding torch
Gas solenoid valve faulty
Inform the service team
Contact tip hole too narrow
Use suitable contact tip
Inner liner in the welding torch faulty
Check inner liner for kinks, soiling, etc.
Feed rollers not suitable for wire electrode used
Use suitable feed rollers
Incorrect contact pressure of the feed rollers
Optimize contact pressure
Improper laying of the hosepack
Lay hosepack as straight as possible while avoiding tight bending radii