Variosynergic 3400/4000/5000 Power Source - Fronius VarioSynergic 3400 Instructions De Service

Variosynergic
Nothing happens when the torch trigger is pressed
3400/4000/5000
Mains switch is ON, but indicators are not lit up
power source
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Nothing happens when the torch trigger is pressed
Mains switch is ON, fault indicator is lit up
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Nothing happens when the torch trigger is pressed
Mains switch is ON, ready indicator is lit up
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No arc after torch trigger is pressed
Ready indicator lit up, wirefeeder motor running
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Unsteady arc, heavy spatter, pores in the welding material
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There is a fault in the mains lead; the mains plug is not plugged in
Check the mains lead, make sure that the mains plug is plugged in
Power source overheated/overloaded
Allow the power source to cool down
Wirefeeder motor overloaded
Check wire feed liner, contact tube and wire brake setting
Faulty fuse F1, F2, F3 or F7
Check fuse
Control plug is not plugged in
Plug in control plug
Faulty torch
Change torch
Internal machine fault
Contact After-Sales Service
Ground (earth) connection interrupted
Check ground (earth) connection and terminal
There is a fault in the current cable in the welding torch
Change torch
Main contactor or stage switch is faulty
Change contactor/stage switch (After-Sales Service)
Stage switch not correctly snapped into place
Move stage switch into correct position
Operating point not at optimum selection
Adjust to attain correct welding voltage - wirefeed speed ratio
Poor grounding (earthing) connection
Ensure good contact between grounding (earthing) current socket and
workpiece
Grounding (earthing) cable in the wrong welding current socket
Select corresponding welding current socket
Wrong contact tube, or contact tube is worn out
Change the contact tube
No gas
Check the pressure regulator (gas flow rate), gas hose (connections), gas
solenoid valve, torch-gas connection etc.
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