Product Manual

Page 42 of 47
Failure
Possible Cause
Corrective Action
Wire drive motor
does not turn.
Wire feed speed control at zero.
Increase wire feed speed control.
Trigger is not mashed.
Wire will feed only when trigger is
mashed.
Wire drive motor Is damaged.
Replace wire drive motor.
Feed roller is not correctly installed.
See installation section to correctly
install the drive roller.
Wire feeds
inconsistently.
Torch liner is plugged.
Clear or replace torch liner.
Wire diameter may vary on spool of
wire causing the wire to catch in the
contact tip.
Increase the contact tip one size.
Too much or too little wire tension.
See Installing The Wire section.
Too much or too little drive roll tension.
See Setting Drive Roll Tension section.
Drive roll is worn.
Replace drive roll.
Unable to create
an arc.
Work piece is painted or rusty.
Remove all paint and rust.
Ground clamp is connected where there
is paint or rust.
Remove all paint and rust so ground
clamp is connected to bare metal.
Ground clamp is not electrically
connected to the work piece.
Make certain the ground clamp Is
connected to the work piece.
Trigger is not mashed.
When in the MIG mode, this unit is not
electrically hot until you mash the torch
trigger.
Stick or TIG welding and machine is set
for MIG welding.
Make certain the SPOOL GUN/MIG
TORCH/STICK WELDING selector
switch is in the STICK position.
Welding arc is
unstable,
excessive
spatter.
The contact tip is too large.
Make certain the correct contact tip is
installed.
Torch liner is plugged.
Clear or replace torch liner.
No shielding gas.
Connect shielding gas supply and turn
shielding gas on.
MIG torch is not correctly installed and
shielding gas is not transferring to the
arc.
Remove and reconnect the MIG torch
to make certain it is completely
installed into the MIG connector.
Wire speed setting is incorrect.
Refer to the label inside the wire
compartment door for wire speed
setting recommendations.
Voltage setting is incorrect.
Refer to the label inside the wire
compartment door for voltage setting