X5 FastMig
Operating manual - EN
4.4 Troubleshooting
The problems listed and the possible causes are not definitive, but suggest some typical situations that may turn up dur-
ing normal use of the welding system.
Welding system:
Problem Recommended actions
The welding system does not power up
Check that the mains cable is plugged in properly.
Check that the mains switch of the power source is at the ON pos-
ition.
Check that the mains power distribution is on.
Check the mains fuseand/or thecircuit breaker.
Check that the interconnection cablebetween the powersource
and the wire feeder is intact and properly attached.
Check that the earth return cableis connected.
The welding system stops working
Gas-cooled gun may haveoverheated. Wait for it to cool down.
Check that noneof the cables is loose.
The wire feeder may haveoverheated. Wait for it to cooldown and
seethat the welding current cableis properly attached.
The power source may haveoverheated. Wait for it to cool down
and see that thecooling fans work properly and theairflow is
unobstructed.
Wire feeder:
Problem Recommended actions
The filler wire on the spool unravels
Check that the spool locking cover is closed.
The wire feeder does not feed the filler wire
Check that the fillerwirehas not run out.
Check that the fillerwireisproperly 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 cableis properly connected to the wire
feeder.
Blow compressed airthrough the wireliner to check that it isnot
blocked.
Weld quality:
Problem Recommended actions
© Kemppi
93 1920960 / 2039
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