Troubleshooting
Over time, at occasions such as Fieldays and customer evenings, I have spoken to many owners of small MIG welding machines who are having problems, and the most common by far is with the wire feed.
Wire-feed problems
Common symptoms
• The end of the wire seems to pulse up and down.• The speed and sound of the motor• The wire slips between the feed rollers.• The wire tangles into ‘birds’ nests’ in the rollers and guides.• At low amps, it is hard to get a consistent arc.• The wire burns back into the tip.
