Lincoln Electric IM490-C manual See Installation Section of this

Page 25

E-5

 

 

TROUBLESHOOTING & REPAIR

 

 

E-5

 

 

 

 

 

 

 

 

Observe all Safety Guidelines detailed throughout this manual

 

 

 

 

 

 

 

 

PROBLEMS

 

POSSIBLE AREAS OF

RECOMMENDED

 

 

(SYMPTOMS)

 

MISADJUSTMENT(S)

COURSE OF ACTION

 

 

 

 

 

 

 

 

 

 

OUTPUT PROBLEMS

No output - Main input fuses open, indicating excessive current draw.

1.Inspect input leads for possible shorts or grounds or mis-connec- tions.

2.Install new fuses and reapply power. If fuses open again, con- sult a Lincoln Authorized Field Service Facility.

The machine operates normally

1. Check the input voltage and input

when connected for 200 - 230VAC

voltage reconnect procedures.

input. There is no output when the

See Installation Section of this

machine is connected to 380VAC or

manual.

higher.

 

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 Single Phase InstallationThree Phase Technical Specifications Invertec V250-S K1437-2 Select Suitable Location Safety PrecautionsInput Connections Input Fuse and Supply Wire Input Voltage Reconnect ProcedurePower Input Connection for 50/60 HZ Machines Output Connections Remote Control ReceptacleQuick Disconnect Plugs Output CablesOperation Safety InstructionsGeneral Description Figure B.1 Case Front Controls Controls and SettingsManual ARC Welding Stick Constant Current ProcessesAIR Carbon ARC Cutting TIG WeldingOverload Protection Parallel OperationThermal Protection Options / Accessories AccessoriesRemote Controls Cable PlugsInput Filter Capacitor Discharge Procedure MaintenanceFilter Capacitor Conditioning Routine MaintenanceFigure D.2 Location of Maintenance Components PC Board Troubleshooting Procedures Troubleshooting & Repair Possible 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
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