Tag: MIG troubleshooting
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MIG Wire Feeds but No Arc? Check the Work Clamp and Return Path
If a MIG welder feeds wire but will not start a stable arc, inspect the work clamp, contact surface, cable, connectors, and polarity before replacing larger components.
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MIG Contact Tip Keeps Burning Back
If a MIG contact tip keeps burning back, the problem is usually not the tip alone. Burnback happens when the wire melts back into the contact tip instead of feeding cleanly into…
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MIG Wire Not Feeding Smoothly
If your MIG wire is not feeding smoothly, the fault is usually in the feed path, not the power source. Start at the spool and work forward through the drive rolls, gun…
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Push-Pull Gun Wire Feeding Problems
Push-pull gun wire feeding problems are commonly caused by liner drag, incorrect drive roll tension, spool drag, feeder synchronization issues, and worn contact tips.
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Spool Gun Contact Tip Wear Symptoms
Spool gun contact tip wear symptoms include burnback, unstable arcs, erratic wire feed, spatter, aluminum sticking, and inconsistent weld performance.
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Push-Pull Gun Motor Overheating Causes and Troubleshooting
Push-pull gun motor overheating usually comes from wire-feed resistance, liner drag, incorrect drive roll tension, or duty cycle overload. Learn the common causes and fixes.
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Spool Gun Trigger Delay Troubleshooting
Troubleshoot spool gun trigger delay problems including startup lag, relay issues, intermittent trigger response, wire-feed hesitation, and feeder connection faults.
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Aluminum Spool Gun Burnback Causes
Aluminum spool gun burnback is commonly caused by low wire-feed speed, worn contact tips, poor grounding, drive roll slippage, or trigger startup delay.
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MIG Gun Liner Feeding Problems: Troubleshooting Birdnesting, Burnback, and Wire Drag
Troubleshoot MIG gun liner problems causing birdnesting, burnback, wire drag, and drive-roll slipping before replacing feeder components.
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MIG Wire Shaving Inside Liner Causes: Drive Roll Pressure, Wrong Groove, and Feed Path Fixes
MIG wire shaving inside the liner is caused by mechanical damage to the wire before or during feed. The most common causes are too much drive-roll pressure, wrong drive-roll groove, worn or…