Troubleshooting & Maintenance

You pull the trigger on your MIG gun and get absolutely nothing — no wire feed, no arc, no sound, no gas. It’s one of the more frustrating situations in…

Undercut is one of the most frustrating defects you’ll run into with MIG welding. It looks like the weld worked, but there’s a groove or notch running along the edge…

Spatter is one of the most frustrating parts of MIG welding. Those tiny balls of molten metal that land on your workpiece, your nozzle, and your welding table aren’t just…

Poor visibility during MIG welding is one of the most frustrating problems beginners and even experienced welders deal with. Whether the arc looks too dark, too bright, or the puddle…

Poor visibility during MIG welding is one of the most frustrating problems beginners and even intermediate welders run into. It slows your work, ruins your bead quality, and can seriously…

A MIG welder that’s producing weak arcs, overheating, or no output at all often has a failing transformer at the root of the problem. Before replacing the entire machine, testing…

A welding defects chart categorizes common welding flaws into six main types: cracks, porosity, inclusions, incomplete fusion, profile defects, and dimensional defects. Each defect has specific visual characteristics, causes, and…

Removing the battery from your Miller Bobcat welder is a straightforward maintenance task that every operator should know. Whether you need to replace a dead battery, perform seasonal storage, or…

Replacing the battery in your Miller Digital Elite welding helmet is a straightforward maintenance task that ensures optimal performance of your auto-darkening lens. This guide provides step-by-step instructions, troubleshooting tips,…

Replacing the battery in your Miller Digital Infinity welding helmet is a straightforward maintenance task that every welder should know. This guide will walk you through the complete process, from…