Lincoln Electric SAM400, SAM650 manual HOW to USE Troubleshooting Guide

Page 24

E-1

TROUBLESHOOTING

E-1

 

 

 

HOW TO USE TROUBLESHOOTING GUIDE

WARNING

Service and Repair should only be performed by Lincoln Electric Factory Trained Personnel. Unauthorized repairs performed on this equipment may result in danger to the technician and machine operator and will invalidate your factory warranty. For your safety and to avoid Electrical Shock, please observe all safety notes and precautions detailed throughout this manual.

__________________________________________________________________________

This Troubleshooting Guide is provided to help you locate and repair possible machine malfunctions. Simply follow the three-step procedure listed below.

Step 1. LOCATE PROBLEM (SYMPTOM). Look under the column labeled “PROBLEM (SYMPTOMS)”. This column describes pos- sible symptoms that the machine may exhib- it. Find the listing that best describes the symptom that the machine is exhibiting.

Step 2. POSSIBLE CAUSE.

The second column labeled “POSSIBLE CAUSE” lists the obvious external possibili- ties that may contribute to the machine symptom.

Step 3. RECOMMENDED COURSE OF ACTION

This column provides a course of action for the Possible Cause.

If you do not understand or are unable to perform the Recommended Course of Action safely, contact you local Lincoln Authorized Field Service Facility.

WARNING

ELECTRIC SHOCK can kill.

•Do not touch electrically live parts such as output terminals or internal wiring.

ENGINE EXHAUST can kill.

• Use in open, well ventilated areas or vent exhaust outside.

MOVING PARTS can injure.

•Do not operate with doors open or guards off.

•Stop engine before servicing.

• Keep away from moving parts.

•Remove guards only when necessary and replace when work requiring removal is complete.

•Only qualified personnel should install, use or service this equipment.

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.

SAM400 & 650

Page 23 Page 25
Image 24
Page 23 Page 25
Contents IM568 Safety SAM400Electric Shock can kill Welding Sparks can cause fire or explosion Précautions DE Sûreté Sûreté Pour Soudage a L’ArcThank You Table of Contents Installation Technical Specifications SAM400HEIGHT1 Width Depth Weight Technical Specifications SAM650 Height Width Depth WeightInstallation Precautions Product DescriptionSpark Arrester Machine GroundingPRE-OPERATION Service Output CablesWelder Location Operating Precautions Additional Safety PrecautionsOperation Pipe ThawingWelder Controls FUNCTION/OPERATION Output StudsPortable Field Control Connection Mounting on LN-7Toggle Switch Electrode Polarity SwitchContactor Current and Voltage ControlsVariable Voltage Welding To Set The Controls -- Stick WeldingTo Set The Controls -- Submerged Arc SAM400 Controls Operation SAM650 Controls Operation Auxiliary Power Duty CycleStarting Instructions BREAK-IN PeriodAccessories Maintenance Routine MaintenancePeriodic Maintenance Bearing MaintenanceCommutator and Brush Maintenance Contactor MaintenanceCooling System APR97Troubleshooting HOW to USE Troubleshooting GuideSymptoms Course of Action Function ProblemsLoss of Output in Both Modes of Operation Control Boards. Note a Pg. E-2 Recommended Diode Test Procedure SCR Bridge PC Board Test ProcedureControl PC Board Calibration Ground Tests SAM400 Machine Wiring Diagram LOW Voltage OptionWiring Diagrams SAM650 Machine Wiring DiagramSAM400 Engine Wiring Diagram Maintenance Instructions Daily ChecksSAM650 Engine Wiring Diagram TerminalDimension Print SAM400 and SAM650 Perkins Engine Welders Dimension PrintBasic Course $700.00Precaucion Aviso DE Statement of Warranty To Obtain Warranty Coverage Warranty PeriodWarranty Repair Warranty Costs

SAM650, SAM400 specifications

Lincoln Electric has long been synonymous with welding excellence, and its SAM series of advanced welding machines, including the SAM400 and SAM650, epitomizes this commitment to quality and innovation. These models are designed to meet the demands of diverse industrial applications while ensuring ease of use, efficiency, and precision.

The SAM400 is a robust multiprocess welding system that supports MIG, TIG, Stick, and Flux-Cored welding techniques. It features a powerful 400 Amp output, suitable for heavy-duty applications and capable of handling materials such as steel, stainless steel, and aluminum. The machine incorporates advanced inverter technology, resulting in a compact design that significantly reduces the weight while enhancing portability. Furthermore, the SAM400 includes intuitive digital controls, allowing operators to easily adjust settings for optimal performance. Its PAS (Power Adapter System) compatibility enables users to seamlessly integrate different power sources, greatly enhancing its versatility.

On the other hand, the SAM650 takes it a step further, boasting a maximum output of 650 Amps. This model is particularly favored in industries requiring high deposition rates, such as shipbuilding and heavy fabrication. Like the SAM400, the SAM650 features multiprocess capabilities but adds enhanced control mechanisms, such as advanced waveform technology, which allows for better arc stability and reduced spatter. This ensures cleaner welds and, ultimately, a superior finish. Additionally, the SAM650 is equipped with Lincoln Electric's proprietary welding technology, including the Arc Control and Hot Start features that enhance user experience by providing smoother starts and consistent performance, even in challenging conditions.

Both machines come with integrated wire feeders that allow for easy adjustments and quick material changes, offering increased productivity on the job site. Their rugged design and durable construction ensure long-lasting performance, even in the harshest environments.

In conclusion, the Lincoln Electric SAM400 and SAM650 welding systems are trailblazers in the field of welding technology. With their powerful output, advanced features, and user-friendly interfaces, these machines cater to the needs of professionals looking for reliability and efficiency in their welding applications. Whether for small shops or large-scale industrial operations, the SAM400 and SAM650 deliver the performance and versatility that fabricators and welders depend on.
Top Page Image Contents