See figure f.33, J3 pin 15 to j3 pin 6. see figure f.33, Troubleshooting & repair – Lincoln Electric COMMANDER SVM145-B User Manual

See figure f.33, J3 pin 15 to j3 pin 6. see figure f.33, Troubleshooting & repair | Feedback input test (continued), Plug j2 pin 5 pin 2 pin 1 | Lincoln Electric COMMANDER SVM145-B User Manual | Page 125 / 175