34
Nothing happens when the torch trigger is pressed
Mains switch is ON, but indicators are not lit up
Cause:
There is a fault in the mains lead; the mains plug is not plugged in
Remedy:
Check the mains lead, make sure that the mains plug is plugged in
Nothing happens when the torch trigger is pressed
Mains switch is ON, fault indicator is lit up
Cause:
Power source overheated/overloaded
Remedy:
Allow the power source to cool down
Cause:
Wirefeeder motor overloaded
Remedy:
Check wire feed liner, contact tube and wire brake setting
Nothing happens when the torch trigger is pressed
Mains switch is ON, ready indicator is lit up
Cause:
Faulty fuse F1, F2, F3 or F7
Remedy:
Check fuse
Cause:
Control plug is not plugged in
Remedy:
Plug in control plug
Cause:
Faulty torch
Remedy:
Change torch
Cause:
Internal machine fault
Remedy:
Contact After-Sales Service
No arc after torch trigger is pressed
Ready indicator lit up, wirefeeder motor running
Cause:
Ground (earth) connection interrupted
Remedy:
Check ground (earth) connection and terminal
Cause:
There is a fault in the current cable in the welding torch
Remedy:
Change torch
Cause:
Main contactor or stage switch is faulty
Remedy:
Change contactor/stage switch (After-Sales Service)
Cause:
Stage switch not correctly snapped into place
Remedy:
Move stage switch into correct position
Unsteady arc, heavy spatter, pores in the welding material
Cause:
Operating point not at optimum selection
Remedy:
Adjust to attain correct welding voltage - wirefeed speed ratio
Cause:
Poor grounding (earthing) connection
Remedy:
Ensure good contact between grounding (earthing) current socket and
workpiece
Cause:
Grounding (earthing) cable in the wrong welding current socket
Remedy:
Select corresponding welding current socket
Cause:
Wrong contact tube, or contact tube is worn out
Remedy:
Change the contact tube
Cause:
No gas
Remedy:
Check the pressure regulator (gas flow rate), gas hose (connections), gas
solenoid valve, torch-gas connection etc.
Variosynergic
3400/4000/5000
power source
