Fronius TransSteel 3500 Syn, Operating Instructions Manual

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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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Nothing happens when the torch trigger is pressed
Power source mains switch is ON and indicators are lit up
Only for welding torches with an external control plug: The control
plug is not plugged in
Plug in the control plug
Welding torch or welding torch control line is faulty
Replace welding torch
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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
The interconnecting hosepack is faulty or not connected properly
Check interconnecting hosepack Cause:
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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 sec-
tion "Displayed service codes".
Overload
Take the duty cycle into account
Thermostatic safety cut-out has tripped
Wait until the power source automatically comes back on after the
end of the cooling phase
Limited supply of cooling air
Remove air filter on the rear of the housing from the side and clean.
Ensure that the cooling air ducts are accessible.
The fan in the power source is faulty
Contact After-Sales Service
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