Lincoln Electric IM544-B manual Function Problems

Page 31

E-3		TROUBLESHOOTING	E-3

	Observe all Safety Guidelines detailed throughout this manual

	PROBLEMS	POSSIBLE AREAS OF	RECOMMENDED
	(SYMPTOMS)	MISADJUSTMENTS(S)	COURSE OF ACTION

FUNCTION PROBLEMS

Engine will not idle down to low	1.	Idler switch in High idle position.
speed.		Set switch to Auto.
	2.	External load on welder or auxil-
		iary power. Remove all external
		loads.

Engine will not go to high idle when	1.	Poor work lead connection to
attempting to weld.		work. Make sure work clamp is
		tightly connected to clean base
		metal.
	2.	”Welding Terminals” switch is in
		wrong position. Set to “Always
		On” when welding without a weld-
		ing terminal control cable. Refer
		to Operations chapter for proper
		use of this switch.

Engine will not go to high idle when	1.	Auxiliary power load is less than
using auxiliary power.		100 watts. Idler may not respond
		with less than a 100 watt load.
		Set Idler to “High”

Contact your Local Lincoln Authorized Field Service Facility for technical troubleshooting assistance.

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.

COMMANDER 400

Image 31

Contents Safety Depends on You CommanderCalifornia Proposition 65 Warnings SafetyElectric Shock can kill Iii Welding Sparks can cause fire or explosionSûreté Pour Soudage a L’Arc Précautions DE SûretéThank You Table of Contents Bore x Stroke InstallationWelding Range Open Circuit Voltage Auxiliary Power1 HEIGHT2 Width Depth WeightAngle of Operation Safety PrecautionsLOCATION/VENTILATION StackingOIL PRE-OPERATION Engine ServiceHigh Altitude Operation TowingMuffler Outlet Pipe Engine Cooling System Battery ConnectionElectrical Output Connections Fuel CAPMachine Grounding Auxiliary Power ReceptaclesStandby Power Connections Welding Output CablesPower General Description Safety InstructionsOperation Operating InstructionsFor Wire Welding Additional Design FeaturesFor Auxiliary Power Other FeaturesRUN- Stop Switch Controls and SettingsStart Pushbutton Idler Operational exceptions Engine Temperature Gauge and LightIdler Switch Engine Alternator Ammeter and LightAuxiliary Power Controls Stopping the Engine Wire Feeder Mode ControlsEngine Operation Starting the EngineTIG Welding Welder OperationTypical Fuel Consumption Stick WeldingCommander 400 Settings When Using the K930-1 TIG Module Commander 400 Settings When Using the K799 HI-FREQ UnitTable B.3 Typical Current Ranges 1 for Tungsten ELECTRODES2 Stick and Wire Model Connection to NA-3 Wire Feed Constant Voltage WELD- INGStick and Wire Model Connection to LN-25 Stick and Wire Model Connection to LN-23PSimultaneous Welding and AUXIL- Iary Power Loads Auxiliary Power OperationOptional Field Installed Accessories AccessoriesRecommended Equipment Routine and Periodic Maintenance MaintenanceEngine Maintenance Fuel PRE-FILTER/WATER Separator ASSEM- BLY Fuel FiltersWater Separator Element Cooling System Cooling Blower Belt Battery HandlingMake Part Number HOW to USE Troubleshooting Guide TroubleshootingPossible Areas SymptomsCourse of Action Function Problems Output Problems Diagrams Commander K488 / K487 Spool GUN Connection Diagram DiagramsCommander 400 Stick & Wire / LN-23P Connection Diagram DiagramAmphenol 14 PIN Commander 400 Stick & Wire / K867 / LN-8 Connection Diagram Electrode Cable To Wire Feed Unit LN-7 Connection Diagram Electrode Cable Commander 400 Stick & Wire / LN-8 Connection Diagram Dimension Print Commander $700.00 Basic CoursePrecaucion Aviso DE Warranty Limitations Statement of Limited WarrantyWarranty Period 1 2 Conditions of Warranty