Lincoln Electric IM679-A manual Contact your local Lincoln Authorized Field Service Facility

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E-3

 

TROUBLESHOOTING

 

E-3

 

 

Observe all Safety Guidelines detailed throughout this manual

 

 

PROBLEMS

(SYMPTOMS)

POSSIBLE AREAS OF MISADJUSTMENT(S)

RECOMMENDED

COURSE OF ACTION

Thermal symbol is lit

1. Check for proper fan operation

 

2. Check for material blocking intake

 

or exhaust louvers.

Wire feeder wont work. Apparently 1. Check circuit breakers by the wire

no power to wire feederfeeder receptacles on the rear of the machine. Reset

2.Check to make sure the wire feed- er is connected to the correct wire feeder receptacle. (115VAC or 24/42VAC)

3.Check the control cable between the power source and the wire feeder for continuity.

1.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, contact your Local Lincoln Authorized Field Service Facility for technical troubleshooting assistance before you proceed.

V350-PRO

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Contents Invertec V350-PRO California Proposition 65 Warnings SafetyElectric Shock can kill Iii Welding Sparks can cause fire or explosionPrécautions DE Sûreté Thank You Table of Contents V350-PRO InstallationConnections of Wire Feeders to V350-PRO Safety PrecautionsSelect Suitable Location Undercarriage Mountings Remote Control of InvertecQuick Disconnect Plugs Parallel OperationDuty Cycle OperationVolt Meter Output ControlThermal Weld Mode Select Factory and Construction See FigureCONTROL-REMOTE / Local Operation 7A. Advanced Process Panel Electrode Material Welding Process Modes AvailiableExample of Saving Welding Modes to Memory Gmaw CV Weld Mode DetailsPulse Programs LN-10/DH-10 Wire Feeder Compatibility NoteWeld Terminals Lower Case PanelAuxiliary Power Design Features and AdvantagesLimitations Recommended ProcessesOptions / Accessories Construction Version K1728-2 AccessoriesField Installed Options Advanced Process Version K1728-4Capacitor Discharge Procedure MaintenanceRoutine Maintenance Periodic MaintenanceHOW to USE Troubleshooting Guide TroubleshootingAuthorized Field Service SymptomsPossible Areas Contact your Local LincolnContact your local Lincoln Authorized Field Service Facility CPU Displays Description Scrolling dash Remote Control Adapters DiagramsK867 Plug to LN-7 Connection Diagram K867 Plug to LN-25 Connection Diagram K867 Universal Adapter / Invertec Connection Diagram K876 Adapter to LN-25 Connection Diagram K864 Adapter to LN-7 & Remote Control Connection Diagram Wiring Diagram Invertec V350-PRO Dimension Print V350-PRO V350-PRO Precaucion Warnung