Lincoln Electric IM490-C manual Troubleshooting & Repair

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TROUBLESHOOTING & REPAIR

 

 

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Observe all Safety Guidelines detailed throughout this manual

 

 

 

 

 

 

 

 

PROBLEMS

 

POSSIBLE AREAS OF

RECOMMENDED

 

 

(SYMPTOMS)

 

MISADJUSTMENT(S)

COURSE OF ACTION

 

 

 

 

 

 

 

 

 

 

OUTPUT PROBLEMS

No output but the fan operates nor- mally.

1.The mode switch must be in one of the SMAW modes or if in the GTAW mode the remote trigger circuit must be activated.

2.The Local/Remote switch (S3) must be in the LOCAL position unless a remote control device is attached to the remote receptacle.

3.If the machine has not been used for a long time and is connected for 380 VAC or higher, the capacitors may need “condition- ing”. See Input Filter Capacitor Conditioning.

4.The machine may be overheated. Check the thermal indicator light. Wait for the machine to cool and the thermostats to reset.

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, con- tact your local authorized field service facility for technical troubleshooting assistance before you proceed.

INVERTEC V250-S

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Contents INVERTECV250-SFebruary California Proposition 65 Warnings SafetyElectric Shock can kill Cylinder may explode if damaged Sûreté Pour Soudage a L’Arc Précautions DE SûretéInvertec V250-S Thank YouTable of Contents Three Phase InstallationThree Phase Single Phase Technical Specifications Invertec V250-S K1437-2 Input Connections Safety PrecautionsSelect Suitable Location Power Input Connection for 50/60 HZ Machines Input Voltage Reconnect ProcedureInput Fuse and Supply Wire Output Cables Remote Control ReceptacleOutput Connections Quick Disconnect PlugsGeneral Description Safety InstructionsOperation Figure B.1 Case Front Controls Controls and SettingsTIG Welding Constant Current ProcessesManual ARC Welding Stick AIR Carbon ARC CuttingThermal Protection Parallel OperationOverload Protection Cable Plugs AccessoriesOptions / Accessories Remote ControlsInput Filter Capacitor Discharge Procedure MaintenanceFilter Capacitor Conditioning Routine MaintenanceFigure D.2 Location of Maintenance Components PC Board Troubleshooting Procedures Troubleshooting & RepairPossible Areas SymptomsTroubleshooting & Repair Troubleshooting & Repair See Installation Section of this Troubleshooting & Repair Welding Problems Wiring DIAGRAM- Codes 10102 DiagramsWiring Diagram Invertec V250-S Electrical Diagrams Wiring DIAGRAM- Code Electrical DiagramsDimension Print Invertec V250-S Basic Course How To Read Shop DrawingsPrecaucion Warnung