13
iMIG200DP
Number
Fault
Failure cause
Troubleshooting
1
Overheat on
display
Poor ventilation of
power supply leads
to overheating
protection
Improve ventilation
Excessive ambient
temperature
Automatic recovery
after temperature drop
Exceeded rated duty
cycle
Automatic recovery
after temperature drop
Voltage too
low/high (+-15%)
Switch off, check mains
supply and restart
2
Motor fan not
working or is
slower than
usual
Faulty power switch
Replace switch
Faulty fan
Replace fan
Wire broken
Check wires
3
Wire feed motor
not working
Potentiometer
(knob) broken
Replace potentiometer
(knob)
Nozzle blocked
Change nozzle
Rollers too loose
Tighten rollers
4
No pilot arc
Earth cable faulty
Change earth cable
Earth clamped on
dirty/rusty metal
Connect to clean
workpiece
5
Arc unstable
Incorrect tips
Change to correct tip
Power cable too thin Use thicker power cable
Wire feed resistance
too large
Clean/replace the liner
or torch cable
6
No gas coming
through torch
Torch not connected
correctly
Reconnect torch
Gas pipe is blocked
or kinked
Check gas pipe
Gas pipe broken
Replace gas pipe
7
Wire not feeding
through
Different liner/wire
feed roller needed
Al/Al-Si/Al-Mg wire
requires a plastic liner
and U roller
TROUBLESHOOTING
