Lincoln Electric IM795 manual Problems Possible Areas Symptoms Misadjustments

Page 31

E-2

TROUBLESHOOTING

E-2

 

Observe Safety Guidelines detailed in the beginning of this manual.

 

 

 

 

 

 

 

 

 

PROBLEMS

 

 

POSSIBLE AREAS OF

 

 

(SYMPTOMS)

 

 

MISADJUSTMENT(S)

 

 

 

 

 

 

OUTPUT PROBLEMS

 

 

Major physical or electrical damage

 

 

None

 

 

is evident.

 

 

Contact your local Authorized Field

 

 

 

 

 

Service Facility.

 

 

 

 

 

 

 

 

 

No wire feed, weld output or gas

 

 

1.

Make sure correct voltage is

 

 

flow when gun trigger is pulled. Fan

 

 

 

applied to the machine. See

 

 

does NOT operate.

 

 

 

Installation section, Electrical

 

 

 

 

 

 

Connections.

 

 

 

 

 

2.

Make certain that power switch

 

 

 

 

 

 

is in the ON position.

 

 

 

 

 

3.

Make sure circuit breaker is

 

 

 

 

 

 

reset.

 

 

 

 

 

 

 

 

 

No wire feed, weld output or gas

 

 

1.

The thermostat may be tripped

 

 

flow when gun trigger is pulled Fan

 

 

 

due to overheating. Let machine

 

 

operates normally.

 

 

 

cool. Weld at lower duty cycle.

 

 

 

 

 

2.

Check for obstructions in air

 

 

 

 

 

 

flow.

 

 

 

 

 

3.

Check Gun Trigger connections.

 

 

 

 

 

 

See Installation section.

 

 

 

 

 

4.

Gun trigger may be faulty.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RECOMMENDED COURSE OF ACTION

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 AUTHORIZED LINCOLN ELECTRIC FIELD SERVICE FACILITY for assistance before you proceed.

SP 170-I

Image 31
Contents IM795 California Proposition 65 Warnings SafetyElectric Shock can kill Iii Welding Sparks can cause fire or explosionSûreté Pour Soudage a L’Arc Précautions DE SûretéSafety Safety Please Examine Carton and Equipment For Damage Immediately ViiOn-Line Product Registration Table of Contents Installation Identify and Locate Components Safety PrecautionsElectric Shock can kill Stacking Select Suitable LocationLimitations Output ConnectionsGAS Connection GUN InstallationWork Cable Installation Connecting Gun Cable to the SPInput Connections Power Input Cable230 50/60 Line Cord ConnectionGeneral Description Design Features AdvantagesOperational Features and Controls OperationSwitch while welding Controls and SettingsWelding Capability Sequence of Operation Wire LoadingFriction Brake Adjustment Welding OperationsFigure B.4 Process Guidelines Cleaning Tip And NozzleMaking a Weld Welding with Gmaw MIG Changing Machine Over to Feed Other Wire SizesOverload Protection Output Polarity Application ChartDrive Roll Orientation K491 .045 1.2 mm Innershield Welding Kit AccessoriesOptional Accessories K464 .035 0.9 mm Innershield Welding KitComplete Gun and Cable Assembly Code Replacement PartsMIG Gmaw Conversion Maintenance Safety Precautions MaintenanceRoutine Maintenance Contact Tip Cable Liner Drive Roll GUN and Cable MaintenanceConfiguration of Components in Wire Feeding System Gun Cable CleaningChanging Drive Roll Component Replacement ProceduresFigure D.2a Liner trim length for gun Lincoln Electric Changing LinerGUN Handle Parts Magnum 100L GUN Handle Parts Lincoln ElectricHOW to USE Troubleshooting Guide TroubleshootingRecommended Course of Action Problems Possible Areas Symptoms MisadjustmentsGAS Flow Problems Welding Problems Wiring Diagrams Page Page Precaucion Warnung