Power source does not function
Mains switch is on, but indicators are not lit up
There is a break in the mains lead; the mains plug is not plugged in
Check the mains lead, ensure that the mains plug is plugged in
Mains socket or mains plug faulty
Replace faulty parts
Mains fuse protection
Change the mains fuse protection
Short circuit on the 24 V supply of SpeedNet connection socket or external
sensor
Unplug connected components
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No response after setting a welding start signal
Mains switch is ON and indicators are lit up
Welding torch or welding torch control line is faulty
Replace the welding torch
Interconnecting hosepack is faulty or not connected properly
Check interconnecting hosepack
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No welding current
Mains switch is ON and indicators are lit up
Grounding (earthing) connection is incorrect
Check the grounding (earthing) connection for correct polarity
There is a break in the power cable in the welding torch
Replace the welding torch
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No protective gas shield
All other functions are OK
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
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