Lincoln Electric IM738-A, V160-T PRObLEMS, Symptoms, POSSIbLE, Cause Recommended Course of Action

E-2	TROUbLESHOOTING	E-2
	Observe all Safety Guidelines detailed throughout this manual

PRObLEMS

(SYMPTOMS)

POSSIbLE

CAUSE

RECOMMENDED

COURSE OF ACTION

PRObLEMS IN STICK WELDING

Excessive spatter	1.	Long arc
	2.	High current
Craters	1.	Fast movement of the electrode
		away from piece.
Inclusions	1.	Poor cleanliness or distribution of
		the Welding passes.
	2.	Improper movement of the elec-
		trode.
Insufficient penetration	1.	High progression speed.
	2.	Welding current too low.
	3.	Narrow chamfering.
Sticking	1. Arc too short.
	2.	Current too low.
Porosity	1.	Humidity in electrode.
	2.	Long arc.
Cracks	1.	Current too high.
	2.	Dirty materials.
	3. Hydrogen in weld (present on
		electrode coating).

If all recommended possible areas of misadjustment have been checked and the problem persists, Contact your local Lincoln Authorized Field Service Facility.

V160-T