Lincoln Electric IM586-B manual Contact your local Lincoln Authorized Field Service Facility

Page 33

E-2	TROUBLESHOOTING	E-2

	Observe all Safety Guidelines detailed throughout this manual

PROBLEMS

(SYMPTOMS)

POSSIBLE

CAUSE

RECOMMENDED

COURSE OF ACTION

Rough wire feeding or wire not feed-	1.	Gun cable kinked and/or twisted.
ing, but drive rolls are turning.	2.	Wire jammed in gun and cable.
	3.	Check for current position of drive
		rolls relative to split wire guide
		groove.
	4.	Drive rolls may not be seated
		properly.
	5.	Gun cable dirty.
	6.	Worn drive roll.
	7.	Worn nozzle or cable liner.
	8.	Partially flashed or melted contact
		tip.
	9.	Incorrect drive roll pressure.
	10. Improper liner, contact tip, or
		inner/outer wire guides.
	11. Incorrect wire drive or gear ratio
		selection on the control p.c.
		board.

Variable or "hunting" arc.	1.	Wrong size, worn and/or melted
		contact tip.
	2. Worn work cable or poor work
		connection.
	3.	Loose electrode or work cable
		connections.
	4.	Wrong polarity.
	5.	Gas nozzle extended beyond gun
		tip or wire stickout too long while
		welding.
	6.	Poor gas shielding on processes
		requiring gas.

Poor arc striking with sticking or	1.	Improper procedures or tech-
"blast-offs", weld porosity, narrow		niques.
and ropy looking bead, or electrode	2.	Improper gas shielding.
stubbing into the plate while welding.

Tip seizes in the diffuser.	1.	Tip overheating because of pro-
		longed or excessive high current
		and/or duty cycle welding.

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

STT-10

Image 33

Contents IM586-B California Proposition 65 Warnings SafetyElectric Shock can kill Iii Welding and Cutting Sparks can Cause fire or explosionSûreté Pour Soudage a LʼArc Précautions DE SûretéOn-Line Product Registration Please Examine Carton and Equipment For Damage ImmediatelyTable of Contents Diagrams Section F ViiP312 Series Installation General DescriptionSTT-10 Safety Precautions Mounting the 10 Series Wire Drive UnitRecommended Processes and Equipment Mounting Synergic 7F Wire Drive Unit Connecting Wire Drive Unit to Control BoxMounting the STT-10 Control Box K1565-2 Boom Model Control Speed Range Setting Wire Drive Speed Range SelectionSeries Wire Drive Ratio Selection Electrode RoutingProcedure to Install Drive Roll and Wire Guides Wire Feed Drive Roll KitsSynergic 7F 4-Roll Kits KP655 and KP656 Electric Shock can killGUN and Cable Assemblies with Standard Connection GUN Connections GeneralGUN and Cable Assemblies with FAST-MATE Connection Gmaw GunsWater Connections for Water Cooled Guns Synergic 7F Wire Drives K679Gun Cable Connection with Fast-Mate Connection Gmaw Shielding GasInput Cable STT-10 Control to Power Source Electrical InstallationDual Procedure Switch Options Optional Features InstallationBoom and Bench Conversions Materials Required for bench to boom conversionSTT-10 Control DIP Switch Setup OperationOperating Instructions Security Mode Selection Step Trigger Mode Operation SelectionRobotics Mode Selection Range Lockout Mode SelectionKeypad and Display Operation Power-Down SaveOperation Keys Keypad and Display DescriptionTrigger Mode Selection Trigger Mode Select KeyDisplay Control Keys Acceleration Selection Security ModeFigure B.1 Wire Reel Loading READI-REELS, Spools or CoilsDrive Roll Pressure Setting Feeding Electrode and Brake AdjustmentProcedure for Setting Angle of Feedplate GAS Guard Regulator SettingMaking a Weld Wire Feed Overload Protection Wire Reel ChangingExplanation of Prompting and Error Messages Display Prompt or ErrorAccessories Roll DH DriveSolid & Cored Steel Electrode Driven K683-3 Dual Procedure Switch K683-1 Dual Procedure SwitchK1558-1 Remote Switch Interface Module K1758-L Input Cable Assem BLYCoil Adapter GUN Adapters for 10 Series Wire Drive HeadsMagnum 200/300/400 Guns K206, K289, and K309GUN and Cable Assemblies K1634-1 Wire Reel Enclosure KITMaintenance MaintenanceHOW to USE Troubleshooting Guide TroubleshootingContact your local Lincoln Authorized Field Service Facility Contact your local Lincoln Authorized Field Service FacilityTroubleshooting Damaged encoder p.c. board Troubleshooting Electric Shock can kill Procedure for Replacing PC BoardsDiagrams Diagrams Diagrams Connection Diagrams Dimension Print Bench Model Dimension Print Boom Model Control Box STT-10 STT-10 Precaucion Warnung