Lincoln Electric IM490-C manual Troubleshooting & Repair

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E-4

 

 

TROUBLESHOOTING & REPAIR

 

 

E-4

 

 

 

 

 

 

 

 

Observe all Safety Guidelines detailed throughout this manual

 

 

 

 

 

 

 

 

PROBLEMS

 

POSSIBLE AREAS OF

RECOMMENDED

 

 

(SYMPTOMS)

 

MISADJUSTMENT(S)

COURSE OF ACTION

 

 

 

 

 

 

 

 

 

 

OUTPUT PROBLEMS

Output turns on momentarily, then switches off and repeats cycle.

1.Check the input voltages and reconnection procedures. Make sure the input voltage is correct for the machine. See Input Voltage Reconnect Procedure.

2.Check or replace remote control device. (If used)

Remote output control not

1.

Make sure the Local/Remote

functioning. The machine operates

 

switch (S3) is in the REMOTE

normally on LOCAL control.

 

position.

 

2.

The remote control device may

 

 

be faulty. Replace.

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 Safety California Proposition 65 WarningsElectric Shock can kill Cylinder may explode if damaged Précautions DE Sûreté Sûreté Pour Soudage a L’ArcThank You Invertec V250-STable of Contents Installation Three Phase Single PhaseThree Phase Technical Specifications Invertec V250-S K1437-2 Safety Precautions Select Suitable LocationInput Connections Input Voltage Reconnect Procedure Input Fuse and Supply WirePower Input Connection for 50/60 HZ Machines Remote Control Receptacle Output ConnectionsQuick Disconnect Plugs Output CablesSafety Instructions OperationGeneral Description Controls and Settings Figure B.1 Case Front ControlsConstant Current Processes Manual ARC Welding StickAIR Carbon ARC Cutting TIG WeldingParallel Operation Overload ProtectionThermal Protection Accessories Options / AccessoriesRemote Controls Cable PlugsMaintenance Input Filter Capacitor Discharge ProcedureRoutine Maintenance Filter Capacitor ConditioningFigure D.2 Location of Maintenance Components Troubleshooting & Repair PC Board Troubleshooting ProceduresSymptoms Possible AreasTroubleshooting & Repair Troubleshooting & Repair See Installation Section of this Troubleshooting & Repair Welding Problems Diagrams Wiring DIAGRAM- Codes 10102Wiring Diagram Invertec V250-S Electrical Diagrams Electrical Diagrams Wiring DIAGRAM- CodeDimension Print Invertec V250-S How To Read Shop Drawings Basic CoursePrecaucion Warnung