User manual

8 TROUBLESHOOTING
0463 373 101
- 46 -
© ESAB AB 2015
8 TROUBLESHOOTING
Fault Possible cause Action
Cannot feed in
the wire
The welding wire has not been
straightened before feeding into the
cable assembly
If necessary, pull the welding wire
out again, cut off and deburr the
end and straighten the first 10 cm of
the wire. Then thread back into the
cable assembly.
The torch and the cable assembly
are not equipped correctly for the
wire diameter and wire material
Check wire guide (cable assembly
and torch neck) and the contact tip.
The wire guide is not correctly
inserted into the cable assembly
Pull out the wire guide a little from
the Euro-connector. When inserting
the wire guide you should feel the
last centimeters slip into the guide
nipple in the torch interface.
Otherwise the wire guide may be
too short and not fully inserted.
The contact tip blocked is blocked
with wire debris
The wire guide is worn
The wire feed is impeded by dirt
and debris in the torch
Replace the contact tip and/or wire
guide, blow out torch neck, wire
guide conduit and wire guide with
compressed air.
Torch is getting
too hot
Contact tip or tip holder are not
tightened correctly
Use a suitable tool for tightening
hand-tight.
Cooling system is not working well Check water flow, filling level and
cleanliness.
Cooling system is not correctly
connected
Check connections (water inlet and
return)
Torch overstrained Observe technical data, if needed,
choose a different type.
Cable assembly defective Check cables, tubes and
connections
Wire feeding
problems
Contact tip is worn Exchange contact tip
Liner is worn / dirty Check the liner; blow it out. If
needed exchange it.
Consumables used are not suitable
for the wire diameter or material
Check with spare part list.
Wire feeder not set-up properly Check the wire feeding rolls, the
contact pressure and the spool
brake.
Cable assembly is bent or laid out in
too small radii
Check the cable assembly for
damages. Can the liner be inserted
easily? Install as instructed (see
section "Installing the cable
assembly").
Wire is contaminated Use a cleaning felt.