Lincoln Electric IM958 manual Troubleshooting, Possible, Symptoms Cause, Problems in Stick Welding

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	E-2		TROUBLESHOOTING				E-2
		Observe all Safety Guidelines detailed throughout this manual
		PROBLEMS		POSSIBLE		RECOMMENDED
		PROBLEMS		POSSIBLE		RECOMMENDED
		(SYMPTOMS)		CAUSE		COURSE OF ACTION
		PROBLEMS IN STICK WELDING
		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
			2.	the Welding passes.
			2.	Improper movement of the elec-
				trode.
	Insufficient penetration		1.	High progression speed.
			2.	Welding current too low.
			3.	Narrow chamfering.		If all recommended possible areas of
	Sticking		1.	Arc too short.		If all recommended possible areas of
	Sticking		1.	Arc too short.		misadjustment have been checked
			2.	Current too low.		and the problem persists, Contact
						your local Lincoln Authorized Field
	Porosity		1.	Humidity in electrode.		your local Lincoln Authorized Field
	Porosity		1.	Humidity in electrode.		Service Facility.
			2.	Long arc.		Service Facility.
	Cracks		1.	Current too high.
			2.	Dirty materials.
			3. Hydrogen in weld (present on
				electrode coating).

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.

V310-T AC/DC TIG

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Contents Invertec V310-T AC/DC February For Engine SafetyElectric Magnetic Fields Fumes and Gases Electric Shock can ARC Rays can burn KillIii For ElectricallyRedresseur Précautions DE SûretéLES Machines À Souder À Transformateur ET ÀElectromagnetic Compatibility EMC Safety Please Examine Carton and Equipment For Damage Immediately ViiOn-Line Product Registration Table of Contents AC/DC TIG InstallationTechnical Specifications V310-T AC/DC TIG K2228-1 Operating Temperature Range Storage Temperature RangeSelect Suitable Location Safety PrecautionsMachine Grounding and High FRE Quency Interference ProtectionInput Connections Reconnect ProcedureThree Phase Input Input Plug Installation Engine Driven GeneratorPower Cord Connection Single Phase InputOutput Connection for Stick Output ConnectionsWork Cable Connection Trode Cable and Work Cable Remote Control ConnectionShielding GAS Connection Welding Capability Safety InstructionsOperation General DescriptionSupply cable Gas attachment Power SwitchRear Control Panel Figure B.1 Lower Control Panel Figure B.2Push BUTTON/ROTARY Encoder 3OPERATIONB-3User Interface Overview and Operation Dynamic LCD Display Status LED LightsParameter Display Section shows the select Weld Sequence Diagram shows the variousTIG Trigger Modes Two Step with Arc Start SwitchWelding Modes Table B.2TIG Pulse Modes Bi-Level CurrentF. Memory Operation Stick Trigger ModesWelding Parameters Symbol Unit Min MaxFigure B.7b User Menu SET UP ParametersVRD Table B.4 SET UP Menu ParametersOptional COOL-ARC 35 Water Table B.4Cooler Tips for Improved TIG Starting Stick Crisp Mode Dynamic CurrentRegulation Compatible Equipment AccessoriesOptional Accessories Field InstalledK1622-3 Twist-Mate adapter for PTA-26 Air-Cooled Cable PlugsK852-70 K1622-1 Twist-Mate adapter for PTA-9 & 17 AirRoutine Maintenance MaintenanceSafety Precautions Input Filter Capacitor Discharge ProcedureHOW to USE Troubleshooting Guide 1TROUBLESHOOTINGE-1Service Facility TroubleshootingSymptoms Cause Problems in Stick WeldingYour local Lincoln Authorized Recommended SymptomsCourse of Action Problems TIG Welding Field Service FacilityFailures Course of ActionOfALARM Icon + Alarm Code + Alarm Type Icon Exx Alarm ID CodesWiring Diagram Wiring DiagramsGround Aspiración para gases