Lincoln Electric DX450 specifications Welding without a control cable

Page 34

E-3

TROUBLESHOOTING

E-3

 

 

 

 

Observe all Safety Guidelines detailed throughout this manual

 

 

 

 

PROBLEMS

(SYMPTOMS)

POSSIBLE

CAUSE

RECOMMENDED

COURSE OF ACTION

Engine shuts down while under a

1. High radiator coolant tempera-

load.

ture. Reduce load if it is exceed-

 

ing machine rating. Add coolant

 

to system if low. Clean fins on

 

radiator if dirty. Tighten fan belt if

 

loose. Remove objects blocking

 

or close to intake openings on

 

both sides of base and exhaust

 

end (case back).

 

 

Engine runs rough.

1. Dirty fuel or air filters. Inspect and

 

clean/replace filters as needed.

 

Inspect and clean/replace filters

 

as needed.

 

2. Water in fuel. If water found in

 

tank. Empty fuel tank and refill

 

then purge fuel lines.

 

 

Battery does not stay charged.

1. Faulty battery. Replace.

Engine alternator trouble light is on

2. Loose connections at battery or

while machine is running.

alternator. Clean and tighten con-

 

nections.

 

3. Faulty engine alternator or charg-

 

er module. Consult authorized

 

Engine Service Shop.

 

 

Engine will not idle down to low

1. Idler switch in High idle position.

speed.

Set switch to Auto.

 

2. External load on welder or auxil-

 

iary power. Remove all external

 

loads.

 

3. Faulty Engine Control Unit or

 

Control P.C. board.

 

 

Engine will not go to high idle when

1. Poor work lead connection to

attempting to weld.

work. Make sure work clamp is

 

tightly connected to clean base

 

metal.

 

2. "Contactor" switch is in wrong

 

position. Set to "Welding On" when

 

welding without a control cable.

 

Refer to Operations chapter for prop-

 

er use of this switch.

 

3. Faulty Engine Control Unit or

 

Control P.C. board.

 

 

If all recommended possible areas of misadjustment have been checked and the problem persists, Contact your local 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 Authorized Field Service Facility for technical troubleshooting assistance before you proceed.

DX450 (RED-D-ARC)

Page 33 Page 35
Image 34
Page 33 Page 35
Contents RED-D-ARC Safety DX450 RED-D-ARCElectric Shock can kill Welding and Cutting Sparks can Cause fire or explosion IiiPrécautions DE Sûreté Sûreté Pour Soudage a L’ArcThank You Customer Assistance PolicyTable of Contents Section F Section DSection E SeriesInstallation Technical Specifications DX450 K2712-1VRD Voltage Reduction Device Safety PrecautionsLocation and Ventilation Towing PRE-OPERATION Engine ServiceVehicle Mounting OILFuel Battery ConnectionRemote Control Engine Cooling SystemElectrical Connections Standby Power Connections Auxiliary Power ReceptaclesDuplex Receptacles and Gfci Modules Connection of DX450 to Premises Wiring XyzConnection of LN-15 to the DX450 Shut the welder off Connection of Lincoln Electric Wire FeedersConnection of LN-7 or LN-8 to the DX450 Shut the welder off Across The-Arc ModelInstallation Operation General DescriptionWeld Mode Selector Switch Figure B.1Wire Feeder Voltmeter Switch Table B.1Starting the Engine Engine ControlsGlow Plug Push Button Table B.2Constant Current CC-STICK Welding Stopping the EngineWelder Operation Duty CycleTypical Current Ranges 1 for Tungsten ELECTRODES2 TIG WeldingTable B.3 ARC Gouging Wire WELDING-CVAuxiliary Power PlusWire Feeder Options AccessoriesField Installed Options / Accessories TIG OptionsMaintenance Routine 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 Welder / Generator Maintenance Gfci Module Testing and Resetting ProcedureTroubleshooting HOW to USE Troubleshooting GuideField Service Facility Contact your local AuthorizedWelding without a control cable High idle does not work Faulty control cable. Repair or Service Facility Your local Authorized FieldDiagrams DX450 RED-D-ARCDiagrams Diagrams Diagrams Diagrams Diagrams DX450 RED-D-ARC Wiring Diagram DX450 RED-D DimensionPrint ARCDX450 RED-D-ARC DX450 RED-D-ARC Precaucion Warnung
Top Page Image Contents