Lincoln Electric 250 GXT manual TROUbLESHOOTING

Page 29

E-3

TROUbLESHOOTING

E-3

 

 

 

 

Observe all Safety Guidelines detailed throughout this manual

 

 

 

 

PRObLEMS

(SYMPTOMS)

POSSIbLE

CAUSE

RECOMMENDED

COURSE OF ACTION

 

Engine will not go to high idle when

1.

No voltage signal from the

 

using auxiliary power.

 

current sensor.

 

 

2.

Auxiliary power load less than

 

 

 

100 to 150 watts.

 

 

3.

Faulty P.C. Board.

 

 

 

 

 

Engine will not crank or is hard to

1.

Battery will not hold a charge.

 

crank.

 

Faulty Battery.

 

 

2.

No or insufficient charging

 

 

 

current.

 

 

3.

Loose battery cable

 

 

 

connection(s).

 

 

 

 

 

Engine shuts down.

1.

Out of fuel.

 

 

2.

Low oil level.

 

 

 

 

Engine does not develop full power.

1. Fuel filter clogged.

 

 

2.

Air filter clogged.

 

 

 

 

 

Engine is hard to start.

1.

Spark plugs do not have

 

 

 

specified gap.

 

 

2.

Spark plugs are fouled.

 

 

3.

Out of fuel.

 

 

4.

Fuel filter clogged.

 

 

5.

Electric fuel pump not working.

 

 

6.

Mechanical fuel pump not work-

 

 

 

ing.

 

 

 

 

 

 

 

 

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 GXT

Page 28 Page 30
Image 29
Page 28 Page 30
Contents Ranger 250 GXT Safety Depends on YouCalifornia Proposition 65 Warnings SafetyElectric Shock can kill Iii Welding and Cutting Sparks can Cause fire or explosionPrécautions DE Sûreté IvSAFETYThank You TAbLE of Contents Installation Machine Grounding Safety PrecautionsSpark Arrester TowingGasoline PRE-OPERATION ServiceVehicle Mounting FuelAngle of Operation Additional Safety PrecautionLifting High Altitude OperationAdditional Safety Precautions Connection of Lincoln Electric Wire FeedersInstructions Location / VentilationWelder Operation Auxiliary PowerDevices Without Addi Tional Resistive Type Loads STANDbY Power Connections Auxiliary Power While WeldingSimultaneous Welding and Power Connection of Ranger 250 GXT to Premises Wiring Operation Engine SwitchGENERAL DESCRIPTION Welder Controls Function and OperationPIN Connector Polarity SwitchLocal / Remote Control Switch Ranger 250 GXT Approximate Fuel ConsumptionStopping the Engine STARTING/SHUTDOWN InstructionsStarting the Engine Welding Process Wire Feed Welding Processes Constant VoltageStick Constant Current Welding TIG Constant Current WeldingCAbLE Idle When not To Start Process Used Mode WeldingSummary of Welding Processes Control Electrode K857 25 ft.7.5m or K857-1100 ft.30.4m AccessoriesK1745-1 Welding GAS Cylinder LPG Tank Holder RECOMMENDED EQUIPMENT WIRE FEEDStick TIGSafety Precautions MaintenanceRoutine Maintenance Engine OIL ChangeOIL Filter Change AIR Cleaner and Other MaintenanceEngine Maintenance Parts Engine AdjustmentsSlip Rings HardwareTROUbLESHOOTING Cause Recommended Course of Action SymptomsTROUbLESHOOTING Diagrams Diagrams Diagrams Print DimensionRanger GXTPrecaucion Warnung

250 GXT specifications

The Lincoln Electric 250 GXT is a powerful and versatile welder designed to meet the needs of professionals and hobbyists alike. With its durable construction and advanced technology, this machine excels in a variety of welding applications, making it a popular choice for those looking to perform stick and TIG welding efficiently.

One of the standout features of the Lincoln Electric 250 GXT is its robust performance. It operates on a reliable 240-volt power source, providing ample power to handle a wide array of welding jobs. The machine has an impressive output range, delivering a maximum welding output of 250 amps, which allows for welding materials from thin sheets to heavy-duty steel components. This versatility makes it ideal for use in both industrial settings and home workshops.

The 250 GXT incorporates Lincoln Electric’s advanced Arc Control technology, which ensures a smooth and stable arc for a superior welding experience. This technology helps to reduce spatter and improve bead appearance, resulting in cleaner welds. Additionally, the machine features an adjustable arc force control, allowing users to tailor the arc characteristics based on the specific requirements of their welding tasks.

Another key characteristic of the 250 GXT is its ease of use. The machine is equipped with a user-friendly control panel, featuring straightforward knobs for setting the amperage and voltage. This intuitive design allows even novice welders to achieve excellent results with minimal training. Moreover, the unit is relatively lightweight and portable, fitting easily into mobile welding projects.

Durability is a hallmark of Lincoln Electric products, and the 250 GXT is no exception. Constructed with high-quality materials, it is built to withstand the rigors of regular use in demanding environments. The machine is also designed with safety features, including thermal overload protection, which prevents overheating and ensures longevity.

In summary, the Lincoln Electric 250 GXT is a top-tier welding machine that combines power, precision, and user-friendliness. Its advanced technologies, robust construction, and versatility make it an ideal choice for welders looking to tackle a wide range of projects with confidence and skill. Whether you are working on fabrications, repairs, or artistic endeavors, the 250 GXT delivers the performance and reliability that professionals demand.
Top Page Image Contents