Lincoln Electric LN-10 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	POSSIBLE	RECOMMENDED
(SYMPTOMS)	CAUSE	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.

9.Partially flashed or melted contact tip

10.Incorrect drive roll pressure.

	11. Improper liner, contact tip, or		If all recommended possible areas
		inner/outer wire guides.	of misadjustment have been
			checked and the problem persists,
	12. Incorrect wire drive or gear ratio		Contact your local Lincoln
		selection on the control p.c.	Authorized Field Service Facility.
		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.
	7.	Improper power source selection
		on the control p.c. board.

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.

LN-10

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Contents IM906 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 General Description InstallationRecommended Processes and Equipment Available ModelsControl Speed Range Setting Wire Drive Speed Range SelectionSeries Wire Drive Ratio Selection Electrode RoutingWire Feed Drive Roll Kits Procedure to Install Drive Roll and Wire GuidesGUN and Cable Assemblies with Standard Connection GUN and Cable Assemblies with FAST-MATE Connection Series Wire Drive Water Connections for Water Cooled GunsGun Cable Connection with Standard Connection Gun Cable Connection with Fast-Mate ConnectionElectrical Installation Input Cable LN-10 Control to Power SourceGmaw Shielding Gas Dual Procedure Switch Options Optional Features InstallationLN-10 Control DIP Switch Setup Setup DIP Switch AccessOperation Setting the DIP Switches Wire Drive Head SelectionWelding Power Source Selection Step Trigger Mode Operation Selection Metric/English Wire Feed Speed Display SelectionRobotics Mode Selection Security Mode SelectionMaximum Limits Setting Mode Selection Minimum Limits Setting Mode SelectionKeypad and Display Operation Power-Down SaveKeypad and Display Description Operation KeysTrigger Mode Selection Trigger Mode Select KeyDisplay Control Keys Control Select key enables operator to Security ModeAcceleration Selection Digital Memory VoltmeterMaximum and Minimum Limits Setting Modes Wire Reel Loading READI-REELS, Spools or Coils Dual Procedure Remote Control K1449-1Drive Roll Pressure Setting Feeding Electrode and Brake AdjustmentProcedure for Setting Angle of Feedplate GAS Guard Regulator SettingMaking a Weld Wire Reel Changing Wire Feed Overload ProtectionGrounding Lead Protector Display Prompt or Error Explanation of Prompting and Error MessagesAccessories K1449-1 Dual Procedure Remote Control K683-3 Dual Procedure SwitchK683-1 Dual Procedure Switch GUN Adapters for 10 Series Wire DriveGUN and Cable Assemblies K1634-3 Wire Reel Enclosure KIT K1558-1 Remote Switch Interface ModuleK1557-1 Swivel Mount K1556-1 Light Duty Caster KITWire Drive Motor and Gearbox MaintenanceGun and Cable Maintenance Drive Rolls and Guide TubesHOW to USE Troubleshooting Guide TroubleshootingContact your local Lincoln Authorized Field Service FacilityProblems Symptoms Recommended Course of Action Contact your local Lincoln Authorized Field Service Facility Troubleshooting Problems Possible Recommended Troubleshooting Voltage DIP switch S1 is incorrectly set for Electric Shock can kill Procedure for Replacing PC BoardsDiagrams 10-STT/ Wire DRI VE 18903 Dimension PrintLN-10 LN-10 Precaucion Warnung