R-Tech I-MIG200, Operation Instructions Manual

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Output Problems
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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 shows RED colour
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 – Warning light shows GREEN colour
Output overload problem – Output diodes or IGBT faulty – Contact R-Tech
•
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 RED 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