31
Failure removal
Issue
Causes
Removal
Wire not feeding despite wire
feed pulley turning.
Dirty current nozzle
Clean
Coil carrier clutch set too tight.
Loosen
Damaged hose bundle
Check the wire guide housing
Too low clamping pressure of the
wire feed pulley
Increase the clamping pressure
Interrupted or disruptive wire
supply
Damaged current nozzle
Replace
Burnt current nozzle
Replace
Dirty driving gear nozzle
Clean
Cut on worn driving gear
Replace
Electric arc turned off
Poor contact between earth pliers
and the respective part
Tighten the pliers and check them
Remove paint and rust
Short circuit between current
nozzle and gas supply pipe
Clean or replace contact tip and
gas jet
Current nozzle without dirt, paint
and rust remains
Too loose current nozzle
Tighten the current nozzle firmly
Porous welded joint
Wrong distance of inclination of
the hose bundle
Distance between the hose bundle
and the respective part must be
5-10 mm. Inclination must not be
lower than 60 with respect to the
part.
No gas, too little gas or incorrect
gas
Add (more) gas or change gas
Welder suddenly stops working
after longer operation
Welder has overheated due to too
long use and the thermal protec-
tion has activated
Let the welder cool down
ENGLISH
EN