Troubleshooting - Kemppi AX MIG Welder Operating Manual

4.4 Troubleshooting

The problems listed and the possible causes are not definitive, but suggest some typical situations that may turn up
during normal use of the welding system.
Welding system:
Problem
The welding system does not power up
The welding system stops working
Wire feeder:
Problem
The wire feeder does not feed the filler wire
Weld quality:
Problem
Dirty and/or poor quality weld
© Kemppi
Recommended actions
Check that the mains cable is plugged in properly.
Check that the mains switch of the power source is at the ON
position.
Check that the mains power distribution is on.
Check the mains fuse and/or the circuit breaker.
Check that all the cables are intact and properly attached.
Check that the earth return cable is connected.
Gas-cooled gun may have overheated. Wait for it to cool down.
Check that none of the cables is loose.
The wire feeder may have overheated. Wait for it to cool down
and see that the welding current cable is properly attached.
The power source may have overheated. Wait for it to cool
down and see that the cooling fans work properly and the air
flow is unobstructed.
Recommended actions
Check that the filler wire has not run out.
Check that the filler wire is properly routed through the feed
rolls to the wire liner.
Check that the pressure handle is properly closed.
Check that the feed roll pressure is adjusted correctly for the
filler wire.
Check that the welding current cable is properly connected to
the wire feeder.
Blow compressed air through the wire liner to check that it is
not blocked.
Recommended actions
Check that the shielding gas has not run out.
Check that the shielding gas flow is unobstructed.
Check that the shielding gas type is correct for the application.
Check that the welding procedure is correct for the application.
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AX MIG Welder
Operating manual - EN
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