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Power source
Cause: Primary overcurrent
Remedy: Contact After-Sales Service
Power source has no function
Mains switch is on, but indicators are not lit up
Cause: There is a break in the mains lead; the mains plug is not plugged
in
Remedy: Check the mains supply lead, make sure that the mains plug is
plugged in
Cause: Mains socket or mains plug faulty
Remedy: Replace faulty components
Cause: Mains fuse is faulty
Remedy: Change the mains fuse
No welding current
mains switch is on, overtemperature indicator is lit up
Cause: Overload; the duty cycle has been exceeded
Remedy: Do not exceed the duty cycle
Cause: Thermostatic cut-out system has tripped
Remedy: Wait until the power source automatically switches back on after
the cooling phase has finished
Cause: The fan in the power source is faulty
Remedy: Replace the fan (After-Sales Service)
No welding current
mains switch is on and indicators are lit up
Cause: Grounding (earthing) connection is incorrect
Remedy: Check the earth (ground) connection and clamp for correct po-
larity
Cause: There is a break in the current cable in the welding torch
Remedy: Replace the welding torch
Nothing happens when torch trigger is pressed
mains switch is on and indicators are lit up
Cause: The control plug is not plugged in
Remedy: Insert the control plug
Cause: Welding torch or welding torch control line defective
Remedy: Replace the welding torch
No shielding gas
all other functions are OK
Cause: The gas cylinder is empty
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