Lincoln Electric IM632-B manual Troubleshooting

E-3		TROUBLESHOOTING		E-3
	Observe all Safety Guidelines detailed througout this manual
	PROBLEMS	POSSIBLE CAUSE	RECOMMENDED
	(SYMPTOMS)		COURSE OF ACTION

FUNCTION PROBLEMS

3.Poor arc striking with sticking or “blast-offs”, weld porosity, narrow and ropy looking bead, or elec- trode stubbing into plate while welding.

A. Improper procedures or tech- niques.

B. Improper gas shielding.

If all recommended possible areas of misadjustment have been checked and the problem persists,

Contact your local Lincoln Authorized Field Service Facility.

4. Tip seizes in diffuser.

A. Tip overheating due to prolonged or excessive high current and/or duty cycle welding.

CAUTION

If for any reason you do not understand the test procedures or are unable to perform the tests/repairs safely, contact your Local Lincoln Authorized Field Service Facility for technical troubleshooting assistance before you proceed.

MAGNUM® 450WC & 650WC