Lincoln Electric IM10051 manual Troubleshooting

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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.

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.

INVERTEC® V311-T AC/DC TIG

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Contents 11685 InvertecCalifornia Proposition 65 Warnings SafetyElectric Shock can kill Iii Welding and Cutting Sparks can Cause fire or explosionSûreté Pour Soudage a L’Arc Précautions DE SûretéElectromagnetic Compatibility EMC Safety Please Examine Carton and Equipment For Damage Immediately ViiOn-Line Product Registration Table of Contents Invertec V311-T AC/DC TIG InstallationTechnical Specifications Invertec V311-T AC/DC TIG K2915-1 Operating Temperature Range Storage Temperature RangeTilting Safety PrecautionsSelect Suitable Location StackingInput Connections Reconnect ProcedureThree Phase Input Input Plug InstallationPower Cord Connection Single Phase InputOutput Connection for Stick Welding Figure A.2 Output ConnectionsOutput and GAS Connection for TIG Welding Figure A.1 Work Cable ConnectionShielding GAS Connection Remote Control ConnectionWelding Capability Safety InstructionsOperation General DescriptionLower Control Panel Figure B.2 Rear Control Panel Figure B.1Seven segment LED display H Push BUTTON/ROTARY Encoder Mode Push Buttons A-DUser Interface Overview and Operation Dynamic LCD Display Status LED LightsDynamic LCD Display TIG Trigger Modes Two Step with Arc Start SwitchWelding Modes Table B.2Recalling from Memory Stick Trigger ModesTIG Pulse Modes Saving to MemoryParameter Range Symbol Unit Min MaxWelding Parameters Table B.3 ParameterFigure B.7 User Menu SET UP ParametersVRD Table B.4 SET UP Menu ParametersOptional COOL-ARC 35 Water Cooler Table B.4Tips for Improved TIG Starting Stick Crisp Mode Dynamic Current RegulationCompatible Equipment AccessoriesOptional Accessories Field InstalledCable Plugs Routine Maintenance MaintenanceSafety Precautions Input Filter Capacitor Discharge ProcedureHOW to USE Troubleshooting Guide TroubleshootingTroubleshooting Field Service Facility Problems in TIG WeldingYour local Lincoln Authorized Electrical Failures Exx 5TROUBLESHOOTINGE-5Alarm ID Codes Alarm Icon + Alarm Code + Alarm Type IconWiring Diagram Wiring DiagramsPrecaucion Warnung