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8.6 SPOT WELDING INSTRUCTIONS
1. Select the wire diameter and heat setting recommended above for the method of spot welding
you intend to use.
2. Tune in the wire speed as if you were going to make a continuous weld.
3. Hold the nozzle piece completely perpendicular to and about 1/4 inch off the work piece.
4. Pull the trigger on the torch and release it when it appears that the desired penetration has been
achieved.
5. Make practice spot welds on scrap metal, varying the length of time you hold the trigger, until a
desired spot weld is made.
6. Make spot welds on the actual work piece at desired locations.
TROUBLESHOOTING
SYMPTOM
POSSIBLE CAUSE
CORRECTIVE ACTION
Unit Does Not Power Up
Unit Is Not Plugged In
Plug In Unit
Input Power Circuit Breaker Not On
Reset Input Power Circuit Breaker
The Main Power Switch Is Not Working
Replace Main Power Switch
Protection Indicator Is On
The internal temperature is too high.
Leave power on and let the fan cool the
unit. Output will continue when the unit
has cooled.
Cooling Fan Is Damaged
Replace the cooling fan.
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
Can Not 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
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
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
Recommendations.
For Assistance, Contact The Welder Help Line At 877-304-0294
