The arc is unstable and or "hunting, The contact tip seizes in the gas diffuser, Troubleshooting & repair – Lincoln Electric WIRE-MATIC SVM 117-A User Manual
The arc is unstable and or "hunting, The contact tip seizes in the gas diffuser, Troubleshooting & repair | Caution | Lincoln Electric WIRE-MATIC SVM 117-A User Manual | Page 61 / 102