15
or contact R-Tech by phone. Contact details can be found on our website
Output Problems
•
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 mig torch.
•
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 tip – No wire feed
Check wire feed unit protecting fuse on rear of machine, if blown
replace with new fuse of same rating, If fuse flows again contact R-Tech
•
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 mig 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 mig torch, try other mig torch
