Tig Welding Problems - R-Tech TIG160FPP Operation Instructions Manual

No output - Power light is not lit
•
Check machine on/off switch is in the 'on' position
Check Input power to machine
Check plug wiring
Check mains trip /
fuses
No output - Fan runs - Power light is lit
•
Check torch connections are secure and torch switch operation, try replacing TIG torch.
If you have a multi-meter check continuity between pins 1 and 2 on torch switch plug
when pressing torch switch
No output - Power light is lit - Warning light is lit
•
Welding application may have exceeded recommended duty cycle, allow machine to
cool down until the warning light goes out.
No output – Power light is lit – Gas at torch end when trigger pressed
•
Check torch condition – possible break in torch power cable – replace torch
Machine keeps overheating - Warning light is lit on machine
•
Check if fan is running – if not contact R-Tech for repair
Check the cooling vents for obstruction, blow out machine with clean dry low-pressure
air supply. Check for adequate ventilation around machine
Porosity in weld – No / low gas at torch tip
•
Check gas supply from gas
bottle Check flow rate on
regulator Check gas hose for
restrictions
Check for draughts in local area, open doors
etc. Replace TIG torch – may have gas
restriction
•
Poor weld penetration
Check condition of earth lead and clamp and ensure clamp is connection via a clean
area on work piece
Check condition of TIG torch, try other TIG torch
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TIG welding problems