Lincoln Electric IM490-C manual Possible Areas, Symptoms

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E-2

 

 

TROUBLESHOOTING & REPAIR

 

 

E-2

 

 

 

 

 

 

 

 

Observe all Safety Guidelines detailed throughout this manual

 

 

 

 

 

 

 

 

PROBLEMS

 

POSSIBLE AREAS OF

RECOMMENDED

 

 

(SYMPTOMS)

 

MISADJUSTMENT(S)

COURSE OF ACTION

 

 

 

 

 

 

 

 

 

 

OUTPUT PROBLEMS

Major physical or electrical damage

 

 

is observed when cover wrap-around

 

 

is removed.

 

 

 

 

 

The machine is dead - no output -

1.

The input power switch must be

no fan.

 

in the ON position.

 

2.

Make sure the input voltage is

 

 

correct for the machine.

 

3.

If the machine is set for single-

 

 

phase operation, inspect to

 

 

assure that the WHITE and

 

 

BLACK leads are connected

 

 

properly and the RED lead is not

 

 

connected and is insulated.

 

4.

Check that the input voltage set-

 

 

up switch and jumper “A” (the

 

 

reconnect auxiliary jumper) are in

 

 

the proper position for the input

 

 

voltage being applied. Refer to

 

 

Input Voltage Reconnect

 

 

Procedure in the Installation

 

 

Chapter.

 

5.

Check continuity of the 0.6-amp

 

 

slow blow fuse located on the

 

 

reconnect panel.

 

 

 

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 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 Quick Disconnect Plugs Remote Control ReceptacleOutput Connections Output CablesOperation Safety InstructionsGeneral Description Controls and Settings Figure B.1 Case Front ControlsAIR Carbon ARC Cutting Constant Current ProcessesManual ARC Welding Stick TIG WeldingOverload Protection Parallel OperationThermal Protection Remote Controls AccessoriesOptions / Accessories 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