TROUBLESHOOTING INFORMATION
Use this chart to assist you in resolving common problems you may encounter. These are not all of the possible solutions.
PROBLEM
1.Dirty, porous or brittle weld.
2.Arc works but is not feeding wire.
3.When trigger pulled, there is no wire feed, weld output or gas flow.
Fan does not operate.
4.Wire feeding, but there is no arc.
5.Fan operates normally, but when gun trigger pulled, there is no wire feed, weld output or gas flow.
6.
7.Wire is birdnesting at the drive roller.
8.Wire burns back to contact tip.
9.Workpiece clamp and/or cable gets hot.
10.Gun nozzle arcs to work surface.
11.Wire pushes torch back from the workpiece.
POSSIBLE CAUSE
Plugged welding nozzle.
Faulty wire speed control assembly. No tension on the drive roller. Faulty drive motor (very rare).
Incorrect voltage. No power.
Circuit breaker in off position.
Bad ground or loose connection.
Bad connection to gun or faulty gun.
Faulty trigger on gun. Faulty transformer (rare).
Exceeded duty cycle: thermal protector has opened.
Loose connection inside machine.
Too long or improper extension cord. Wrong size wire.
Poor ground connection.
Wrong size contact tip.
Loose Gun connection or faulty gun assembly.
Too much tension on drive roller. Gun liner worn or damaged. Contact tip is clogged or damaged. Liner is stretched or is too long.
Gun liner is worn or damaged. Wrong size contact tip.
Contact tip clogged or damaged. Liner is stretched or is too long.
Bad connection from cable to clamp.
Slag buildup inside nozzle or nozzle is shorted.
Excessive wire speed.
REMEDY
Clean or replace welding nozzle.
Replace wire speed control assembly. Adjust the drive tension.
Replace drive motor.
Check for correct voltage.
Confirm power switch is on.
Reset circuit breaker.
Check ground and connections. Tighten as necessary.
Check connection to gun or replace gun.
Replace trigger. Replace transformer.
Allow welder to cool at least 10 minutes. Maintain appropriate duty cycle.
Blow inside machine out with com- pressed air. Clean and tighten all connec- tions.
See extension cord use in this manual. Use correct size welding wire. Reposition clamp. Check cable to clamp connection.
Use correct size contact tip. Tighten gun or replace gun.
Adjust the drive tension.
Replace gun liner.
Replace contact tip.
Trim liner to proper length.
Replace gun liner.
Use correct size contact tip.
Replace contact tip.
Trim liner to proper length.
Tighten connection or replace cable.
Clean or replace nozzle as needed.
Decrease wire speed.
12. Wire sticks onto the contact tip. | Low wire feeding. | Increase wire speed. |
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