Troubleshooting - Fronius TTWO 2000 Operating Instructions Manual

Troubleshooting

Troubleshooting No welding current
Power source mains switch is on, indicators on the power source are lit up, shielding gas
available
Cause:
Remedy:
Cause:
Remedy:
Cause:
Remedy:
Cause:
Remedy:
No shielding gas
All other functions are OK
Cause:
Remedy:
Cause:
Remedy:
Cause:
Remedy:
Cause:
Remedy:
Cause:
Remedy:
Grounding (earthing) connection is incorrect
Establish a proper grounding (earthing) connection
There is a break in the power cable in the welding torch
Replace welding torch
Loose tungsten electrode
Tighten tungsten electrode
Loose wearing parts
Tighten the wearing parts
Gas cylinder is empty
Change the gas cylinder
Gas pressure regulator is faulty
Replace gas pressure regulator
The gas hose is not connected, or is damaged or kinked
Fit gas hose, lay out straight Replace faulty gas hose
Welding torch is faulty
Replace welding torch
Gas solenoid valve is faulty
Contact After-Sales Service (arrange for gas solenoid valve to be replaced)
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