Troubleshooting - Kemppi X8 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.
Table 1. Welding system
PROBLEM
The welding system does
not power up
The welding system stops
working
Table 2. Wire feeder
PROBLEM
The filler wire on the spool unravels
The wire feeder does not feed the filler wire
Table 5. Quality of welds
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 the interconnection cable between the power source and the wire feeder is 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 spool locking cover is closed.
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 Kemppi Gun Adapter 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 gas type is correct for the application.
Check the polarity of the gun/electrode.
Check that the welding procedure is correct for the application.
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X8 MIG Welder
Operating manual - EN
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