User manual

8 TROUBLESHOOTING
0463 373 101
- 47 -
© ESAB AB 2015
Fault Possible cause Action
Wire feed stops
during welding
Wire spool is empty Check the quantity of the welding
wire on the spool in the wire feeder.
Wire blockage in the cable
assembly
Check wire feed (possibly too fast),
check the contact tip for
contamination/clogging, clean or
replace the contact tip if required.
Wire burn back into the contact tip
or worn contact tip.
Replace the contact tip.
Welding
process is
stopping
Safety-off mechanism has triggered. Search for collision points and
prevent them. Check control line for
a loose contact.
Pores in the
seam
Gas swirl caused by spatter
adherence
Clean the torch head, use gas
diffuser / spatter protection.
Too small or extremely high gas
flow in the torch
Check flow rate with measurement
tool.
Gas supply defective Check flow rate and possible
leakage.
Moisture or contamination on the
wire or on the work piece
Check the wire and the work piece,
use less or different anti-spatter
liquid.
Arc is not stable Contact tip is worn Exchange contact tip.
Wrong welding parameters Check the set-up of the welding
equipment.
Insufficient electrical connections in
the circuit
Check all electrical connections
(incl. ground cable) between the
power source torch or work piece
for firm seating.