HIT Welding 802283 Spool Gun for HIT MIG Welder Guide

Page 12

TROUBLESHOOTING

SYMPTOM POSSIBLE CAUSE

Wire drive motor does not turn

Wire feed speed control at zero

Wire feeds inconsistently

Can not create an arc

Spool gun/MIG torch selector swith is not in spool gun position

Trigger in not mashed

CORRECTIVE ACTION

Increase wire feed speed control

Change the spool gun/MIG torch selector switch to spool gun

Wire will feed only when the trigger is mashed

Wire drive motor is damaged

Feed roller is not correctly installed

Torch liner is plugged

Wire diameter may vary on spool of wire causing the wire to catch in the contact tip

Replace wire drive motor

See installation section to correctly install the drive roller

Clear or replace torch liner

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

Work piece is painted or rusty

Ground clamp is connected where there is paint or rust

Ground clamp is not electrically connected to the work piece

Trigger is not mashed

Replace drive roll

Remove all paint and rust

Remove all paint and rust so ground clamp is connected to bare metal

Make certain the ground clamp is connected to the work piece

This unit is not electrically hot until you mash the torch trigger

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

Wire speed setting is incorrect

Voltage setting is incorrect

Connect shielding gas supply and turn shielding gas on

Refer to the label inside the wire compartment door for wire speed setting recommendations

Refer to the label inside the wire compartment door for voltage setting recommendations