Lincoln Electric V160-T, IM738-A manual PRObLEMS in TIG Welding

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E-3	TROUbLESHOOTING	E-3

	Observe all Safety Guidelines detailed throughout this manual

PRObLEMS

(SYMPTOMS)

POSSIbLE

CAUSE

RECOMMENDED

COURSE OF ACTION

PRObLEMS IN TIG WELDING

Oxidation	1. lnsufficient gas.
	2.	No protection on the back side.

Tungsten inclusions	1. lncorrect electrode sharpening.
	2.	Electrode too small.
	3.	Operating failure (contact of the
		tip with the workpiece).

Porosity	1. Dirt on the edges.
	2.	Dirt on the filler material.
	3.	Excessive travel speed.
	4.	Current intensity too low.

Hot cracking	1 Unsuitable filler material.
	2.	High heat supply.
	3.	Dirty materials.

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

V160-T

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Contents Invertec V160-T Safety Depends on YouCalifornia Proposition 65 Warnings SafetyElectric Shock can kill Iii Welding and Cutting Sparks can Cause fire or explosionPrécautions DE Sûreté On-Line Product Registration Please Examine Carton and Equipment For Damage ImmediatelyTAbLE of Contents Storage Temperature Range InstallationOperating Temperature Range Select SUITAbLE Location Safety PrecautionsStacking TiltingGround Connection Input Connections230V Input Arfu AUTO-RESTORE Fuse115V Input Attachment PlugWork CAbLE Connection Output and GAS Connection for TIG Welding Figure A.1Output Connection for Stick Welding Figure A.2 Shielding GAS Connection Remote Control ConnectionQuick Disconnect Plug for Stick ELEC- Trode CAbLE Welding CAPAbILITY OperationLimitations Gouging SparksRear Control Panel Controls and Settings See Figure B.2Power Switch Fan Gas Inlet V160-T Figure b.2 Step Diagram Trigger Mode SequencesStep Diagram V160-T Step SequenceOperation Electric Shock can Kill DIP Switch FunctionsTAbLE b.1 OFFFigure b.4 DIP Switch 3 2 Step Restart EnableFigure b.7 DIP Switch 4 4 Step Restart EnableFigure b.10 Step Restart Enabled DIP Switch 4 = onDIP Switch 1 = OFF DIP Switch 5 Low OCV EnableDIP Switch 6 European/USA Machine Configuration Start/Crater Current Adjustment DIP Switch 7 & 8 Upslope TimerDIP Switch Upslope Time COMPATIbLE Equipment Factory Installed AccessoriesField Installed CAbLE PlugsRoutine Maintenance MaintenanceDisconnect the power supply before every opera- tion Disconnect the power supply before every oper- ationTROUbLESHOOTING Symptoms PRObLEMSPRObLEMS in Stick Welding POSSIbLEPRObLEMS in TIG Welding Cause Recommended Course of Action Electrical Failures Diagrams Weld Controller V160-T Precaucion Warnung

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