Lincoln Electric DX450 specifications High idle does not work

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E-4

TROUBLESHOOTING

E-4

 

 

 

 

Observe all Safety Guidelines detailed throughout this manual

 

 

 

 

PROBLEMS

(SYMPTOMS)

POSSIBLE

CAUSE

RECOMMENDED

COURSE OF ACTION

Engine will not go to high idle when

1.

Auxiliary power load is less than

 

 

 

using auxiliary power.

 

100 watts. Idler may not respond

 

 

 

 

 

 

with less than a 100 watt load. Set

 

 

 

 

 

 

idler to "High".

 

 

 

 

 

 

 

2.

Faulty sense toroid, Engine

 

 

 

 

 

 

Control Unit or Control P.C.

 

 

 

 

 

 

board.

 

 

 

 

 

 

 

 

 

 

 

Engine will not go to high idle

1.

Faulty Engine Control Unit or

 

 

 

 

under weld or auxiliary loading.

 

Control P.C. board.

 

 

 

 

 

 

 

 

 

 

 

 

 

Engine does not develop full

1.

Fuel filter clogged, Replace.

 

 

 

 

 

power. Engine runs rough.

2.

Air filter clogged, clean or replace.

 

 

 

 

 

3.

High idle setting incorrect, check

 

 

 

 

 

 

and adjust if required.

 

 

 

 

 

 

 

4.

Valves out of adjustment.

 

 

 

 

 

 

 

5.

Fuel contaminated with water or

 

 

 

 

 

 

sediment. Check fuel pre-filter

 

 

 

 

 

 

and empty of water, bleed fuel

 

 

 

 

 

 

system. Replace fuel in tank if

 

 

 

 

 

 

needed.

 

 

 

 

 

 

 

 

 

 

 

If all recommended possible

areas

 

 

 

 

 

 

Engine will not go to high idle when

1.

Faulty Engine Control Unit or

 

of misadjustment have

been

attempting to weld or using auxil-

 

Control P.C. board

 

 

checked and the problem persists,

iary power. Switching to manual

 

 

 

 

Contact your local Authorized

high idle does not work.

 

 

 

 

Field Service Facility.

 

 

 

 

 

 

 

Engine will not shut off.

1.

Fuel Shutdown solenoid not func-

 

 

 

 

 

 

 

tioning properly / linkage binding.

 

 

 

 

 

 

Stop engine by shutting off valve

 

 

 

 

 

 

located on main fuel filter.

 

 

 

 

 

 

Contact authorized local Engine

 

 

 

 

 

 

Service Shop.

 

 

 

 

 

 

 

 

 

 

Engine does not develop full power.

1. Fuel filter dirty/clogged. Replace.

 

 

 

 

Low weld and auxiliary output.

2. Air filter dirty/clogged. Replace Air

 

 

 

Engine runs rough.

 

Filter Element.

 

 

 

 

 

 

 

3. Fouled fuel injector(s). Contact

 

 

 

 

 

 

authorized Engine Service Shop.

 

 

 

 

 

4. Fuel contaminated with water.

 

 

 

 

 

 

Check water separator for water.

 

 

 

 

 

 

Clean and replace as needed.

 

 

 

 

 

 

Replace fuel in tank.

 

 

 

 

 

 

 

5. Cracked or loose fuel

hose.

 

 

 

 

 

 

Replace hose and tighten clamps.

 

 

 

 

 

6. Valves out of adjustment. Contact

 

 

 

 

 

 

authorized local Engine Service

 

 

 

 

 

 

Shop.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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)

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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 Series Section DSection E Section FTechnical Specifications DX450 K2712-1 InstallationLocation and Ventilation Safety PrecautionsVRD Voltage Reduction Device OIL PRE-OPERATION Engine ServiceVehicle Mounting TowingEngine Cooling System Battery ConnectionRemote Control FuelElectrical Connections Duplex Receptacles and Gfci Modules Auxiliary Power ReceptaclesStandby Power Connections Xyz Connection of DX450 to Premises WiringAcross The-Arc Model Connection of Lincoln Electric Wire FeedersConnection of LN-7 or LN-8 to the DX450 Shut the welder off Connection of LN-15 to the DX450 Shut the welder offInstallation General Description OperationFigure B.1 Weld Mode Selector SwitchTable B.1 Wire Feeder Voltmeter SwitchTable B.2 Engine ControlsGlow Plug Push Button Starting the EngineDuty Cycle Stopping the EngineWelder Operation Constant Current CC-STICK WeldingTable B.3 TIG WeldingTypical Current Ranges 1 for Tungsten ELECTRODES2 Plus Wire WELDING-CVAuxiliary Power ARC GougingTIG Options AccessoriesField Installed Options / Accessories Wire Feeder OptionsRoutine Maintenance MaintenanceOIL Filter Change AIR CleanerEngine OIL Change Servicei Instructions Bleeding the Fuel System Cooling SystemTightening the FAN Belt Servicing Optional Spark Arrestor Engine AdjustmentBattery Maintenance 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 ARC DimensionPrint DX450 RED-DDX450 RED-D-ARC DX450 RED-D-ARC Precaucion Warnung