Lincoln Electric DX450 specifications Your local Authorized Field, Service Facility

Page 37
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 Authorized Field

No output in Pipe Mode.

1. Make sure VRD ON/OFF toggle

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 Authorized Field Service Facility for technical troubleshooting assistance before you proceed.

DX450 (RED-D-ARC)

Page 36 Page 38
Image 37
Page 36 Page 38
Contents RED-D-ARC DX450 RED-D-ARC SafetyElectric Shock can kill Iii Welding and Cutting Sparks can Cause fire or explosionSûreté Pour Soudage a L’Arc Précautions DE SûretéCustomer Assistance Policy Thank YouTable of Contents Section E Section DSection F SeriesTechnical Specifications DX450 K2712-1 InstallationVRD Voltage Reduction Device Safety PrecautionsLocation and Ventilation Vehicle Mounting PRE-OPERATION Engine ServiceTowing OILRemote Control Battery ConnectionFuel Engine Cooling SystemElectrical Connections Standby Power Connections Auxiliary Power ReceptaclesDuplex Receptacles and Gfci Modules Xyz Connection of DX450 to Premises WiringConnection of LN-7 or LN-8 to the DX450 Shut the welder off Connection of Lincoln Electric Wire FeedersConnection of LN-15 to the DX450 Shut the welder off Across The-Arc ModelInstallation General Description OperationFigure B.1 Weld Mode Selector SwitchTable B.1 Wire Feeder Voltmeter SwitchGlow Plug Push Button Engine ControlsStarting the Engine Table B.2Welder Operation Stopping the EngineConstant Current CC-STICK Welding Duty CycleTypical Current Ranges 1 for Tungsten ELECTRODES2 TIG WeldingTable B.3 Auxiliary Power Wire WELDING-CVARC Gouging PlusField Installed Options / Accessories AccessoriesWire Feeder Options TIG OptionsRoutine Maintenance MaintenanceEngine OIL Change AIR CleanerOIL Filter Change Servicei Instructions Tightening the FAN Belt Cooling SystemBleeding the Fuel System Battery Maintenance Engine AdjustmentServicing Optional Spark Arrestor Gfci Module Testing and Resetting Procedure Welder / Generator MaintenanceHOW to USE Troubleshooting Guide TroubleshootingContact your local Authorized Field Service FacilityWelding without a control cable High idle does not work Faulty control cable. Repair or Your local Authorized Field Service FacilityDX450 RED-D-ARC DiagramsDiagrams Diagrams Diagrams Diagrams Diagrams DX450 RED-D-ARC Wiring Diagram Print DimensionDX450 RED-D ARCDX450 RED-D-ARC DX450 RED-D-ARC Precaucion Warnung
Top Page Image Contents