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EN
Power source does not 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 lead, ensure that the mains plug is plugged in
Cause: Mains socket or mains plug faulty
Remedy: Replace faulty parts
Cause: Mains fuse protection
Remedy: Change the mains fuse protection
Nothing happens when the torch trigger is pressed
Power source mains switch is ON and indicators are lit up
Cause: Only for welding torches with an external control plug: The control plug is not
plugged in
Remedy: Plug in the control plug
Cause: Welding torch or welding torch control line is faulty
Remedy: Replace welding torch
Nothing happens when the torch trigger is pressed
Power source mains switch is on, power source ON indication is lit up on the power source,
indications on wire-feed unit are not lit up
Cause: The interconnecting hosepack is faulty or not connected properly
Remedy: Check interconnecting hosepack
No welding current
Mains switch is on, one of the overtemperature service codes "to" is displayed. Detailed
information on the service codes "to0" to "to6" can be found in the section "Displayed ser-
vice codes".
Cause: Overload
Remedy: Take the duty cycle into account
Cause: Thermostatic safety cut-out has tripped
Remedy: Wait until the power source automatically comes back on after the end of the
cooling phase
Cause: Limited supply of cooling air
Remedy: Remove air filter on the rear of the housing from the side and clean. Ensure
that the cooling air ducts are accessible.
Cause: The fan in the power source is faulty
Remedy: Contact After-Sales Service
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