Lincoln Electric 400 (AU) manual Your local Lincoln Authorized, Field Service Facility

Page 38
The welding arc is “cold.” The weld- 1. Make sure the MODE selector ing arc is not stable or is not satis- switch is in the correct position for factory. the engine runs normally. the process being used. (For exam-
The auxiliary power is normal.ple, CV-WIRE, PIPE, CC-STICK.) 2. Make sure the electrode (wire, gas,
voltage, current etc.) is correct for the process being used.
3. Check for loose or faulty connec- tions at the weld output terminals and welding cable connections.
4. The welding cables may be too long or coiled, causing an excessive voltage drop.
5. Faulty Control Board.

E-6

TROUBLESHOOTING

E-6

 

 

 

 

Observe all Safety Guidelines detailed throughout this manual

 

 

 

 

PROBLEMS

(SYMPTOMS)

POSSIBLE

CAUSE

RECOMMENDED

COURSE OF ACTION

 

 

 

If all recommended possible areas of

 

 

 

misadjustment have been checked

 

 

 

and the problem persists, Contact

 

 

 

your local Lincoln Authorized

No output in Pipe Mode.

1. Make sure VRD ON/OFF toggle

Field Service Facility.

 

 

switch is in the “OFF” position.

 

 

2. Poor work lead connection to

 

 

 

work. Make sure work clamp is

 

 

 

tightly connected to clean base

 

 

 

metal.

 

 

3.

"Weld Terminals" switch in wrong

 

 

 

position. Place switch in "Weld

 

 

 

Terminals On" position when

 

 

 

welding without control cable.

 

 

4.

Faulty PC board or welder alterna-

 

 

 

tor.

 

 

 

 

 

VRD Lights don’t light up.

1.

Ensure VRD ON/OFF switch is in

 

 

 

the “ON” position.

 

 

2.

If light is burned out, replace both

 

 

 

VRD lights.

 

 

3. Faulty OCV indicator PC board.

 

 

 

 

 

 

 

 

 

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.

VANTAGE® 400 (AU)

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Contents Vantage Safety California Proposition 65 WarningsElectric Shock can kill Welding and Cutting Sparks can Cause fire or explosion IiiPrécautions DE Sûreté Sûreté Pour Soudage a L’ArcElectromagnetic Compatibility EMC Safety Thank You Table of Contents Section F Section DSection E 641Installation Technical Specifications Vantage 400 AU K32038-1Machine Specifications Location and Ventilation Safety PrecautionsVRD Voltage Reduction Device Towing PRE-OPERATION Engine ServiceHigh Temperature Operation Vehicle MountingOIL Battery ConnectionRemote Control FuelElectrical Connections Control Cable Model Auxiliary PowerAcross The-Arc Model 8INSTALLATIONA-8 Operation General DescriptionWeld Mode Selector Switch Figure B.1Wire Feeder Voltmeter Switch Table B.1Circuit Breaker Engine ControlsGlow Plug Push Button Starting the EngineConstant Current CC-STICK Welding Stopping the EngineWelder Operation Duty CycleTable B.3 TIG WeldingTypical Current Ranges 1 for Tungsten ELECTRODES2 Table B.4 Wire WELDING-CVARC Gouging MAX Table B.6Wire Feeder Options AccessoriesField Installed Options / Accessories TIG OptionsMaintenance Routine MaintenanceOIL Filter Change AIR CleanerEngine OIL Change Service Instructions Bleeding the Fuel System Cooling SystemTightening the FAN Belt Servicing Optional Spark Engine AdjustmentBattery Maintenance ArrestorWelder / Generator Maintenance Troubleshooting HOW to USE Troubleshooting GuideAuthorized Field Service Facility Contact your local LincolnWelding without a control cable Solenoid Faulty control cable. Repair or Field Service Facility Your local Lincoln AuthorizedDiagrams Diagrams Diagrams Diagrams Wiring Diagram Dimension Print Vantage 400 AUVantage 400 AU Vantage 400 AU Precaucion Warnung
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