Troubleshooting
1Symptoms & remedies
| Symptom | Cause | Remedy |
|---|---|---|
| Rough wire feeding or wire not feeding but drive rolls turning. | Gun cable kinked and/or twisted. Wire jammed in gun and cable. Incorrectly fitted drive roll (Drive roll loose). Gun cable dirty. Worn drive roll. Electrode rusty and/or dirty. Worn nozzle or cable liner. Partially flashed or melted contact tip. Incorrect idle roll pressure. Wrong size, worn and/or melted contact tip. Worn work cable or poor work connection. Loose electrode connections. | Inspect gun cable and replace if necessary. Remove wire from gun and cable - feed in new wire. Note any obstructions in gun and cable. Replace gun and cable if necessary. See Wire Drive Roll Section in this manual for proper installation of drive roll. Remove, clean, install and tighten. Clean cable or replace liner. Replace. Replace. Replace contact tip. Set idle roll pressure. Replace tip - remove any spatter on end of tip. Inspect - repair or replace as necessary. Be sure electrode lead is tight, gun cable tight in wire feeder contact block, gun nozzle and gun tip tight. All work lead connections must be tight. Check connection at output studs for polarity required by welding process. |
Fault codes and symptom→remedy steps extracted from this unit’s service/owner documentation; verify against the official manual before servicing.
Available documents
Parts manual
About
Lincoln Electric IMA 578BLA — welder. Specifications and parts compiled from manufacturer documents.