Lincoln Electric IM931 manual Troubleshooting

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E-5	TROUBLESHOOTING	E-5

	Observe all Safety Guidelines detailed throughout this manual

PROBLEMS

(SYMPTOMS)

POSSIBLE

CAUSE

RECOMMENDED

COURSE OF ACTION

The welding arc is “cold.” The welding arc is not stable or is not satisfactory. the engine runs nor- mally. The auxiliary power is nor- mal.

1.Make sure the MODE selector switch is in the correct position for the process being used. (For example, CV-WIRE, PIPE, CC- STICK.)

2.Make sure the electrode (wire, gas, voltage, current etc.) is cor- rect for the process being used.

3.Check for loose or faulty con- nections at the weld output ter- minals and welding cable con- nections.

4.The welding cables may be too long or coiled, causing an exces- sive voltage drop.

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.

RANGER 250 LPG

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Contents

Ranger 250 LPG California 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 Series Section DSection E Section FTechnical Specifications Ranger 250 LPG K2336-2 InstallationMachine Specifications Ranger 250 LPG Engine K2336-2 Safety Precautions Tighten by hand PRE-OPERATION ServiceFuel Engine Cooling System Battery ConnectionRemote Control OILElectrical Connections Standby Power Connections Auxiliary Power ReceptaclesGND Connection of Ranger 250 LPG to PremisesAcross-The-Arc Model Connection of Lincoln ELEC- Tric Wire FeedersConnection of LN-15 Wire Feeder to the Ranger 250 LPG Connection of LN-7 or LN-8 to the Ranger 250 LPGConnection of Prince Spool Gun to the Ranger 250 LPG Connection of the LN-25 to the Ranger 250 LPGGeneral Description Design FeaturesAdditional Safety Precautions OperationARC Control Weld Mode Selector SwitchWelding Controls Engine Controls Typical Ranger 250 LPG Fuel Consumption Welder OperationStopping Duty CycleTypical Current Ranges 1 for Tungsten ELECTRODES2 Wire WELDING-CVTIG Welding Ranger 250 LPG Extension Cord Length Recommendations Auxiliary PowerARC Gouging Recommended Optional Equipment AccessoriesT12153-9 50 AMP, 120/240V Power Plug Kohler Engine MaintenanceEngine Maintenance Components Engine OIL Refill Capacities AIR Cleaner ServiceAIR PRE-CLEANER Service Engine OIL ChangeSpark Plug Spark Plug ServiceAIR Filter Paper Element Charging the Battery Engine Adjustment Overspeed is HazardousBattery Maintenance Cleaning the BatteryGfci Receptacle Testing and RESET- Ting Procedure Welder / Generator Maintenance HOW to USE Troubleshooting Guide TroubleshootingLincoln Authorized Field Service FacilityPersists,Contact your local Contact your local Lincoln Cause Course of ActionTroubleshooting Troubleshooting Diagrams Diagrams Diagrams Diagrams Diagrams Engine Welders /LN-8 Connection Diagram Diagrams Diagrams Diagrams Diagrams Diagrams Ranger 250 LPG Dimension PrintRanger 250 LPG Ranger 250 LPG Precaucion Warnung