Lincoln Electric SP-175T manual Problems Possible Symptoms Cause, Recommended Course of Action

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E-2

TROUBLESHOOTING

E-2

 

Observe all Safety Guidelines detailed throughout this manual

 

PROBLEMS

POSSIBLE

(SYMPTOMS)

CAUSE

 

 

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.

RECOMMENDED COURSE OF ACTION

Contact your local Lincoln Authorized Field Service Facility.

4. Gun trigger may be faulty.

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-175T

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Contents Safety Depends on You SP-175TSafety California Proposition 65 WarningsElectric Shock can kill Welding Sparks can cause fire or explosion IiiPrécautions DE Sûreté Sûreté Pour Soudage a L’ArcPlease Examine Carton and Equipment For Damage Immediately On-Line Product RegistrationTable of Contents Installation Technical Specifications SP-175TSafety Precautions Identify and Locate ComponentsWork Clamp Installation Select Suitable LocationOutput Connections StackingGUN Installation Work Cable InstallationConnecting Gun Cable to the SP-175T GAS ConnectionInput Connections Figure A.5Electrical Input Connection for Rated Output Line Cord ConnectionVolt Input Connection Saftey Precautions Design Features AdvantagesOperation General DescriptionWelding Capability Controls and SettingsLimitations Welding Operations Wire LoadingSequence of Operation Wire Threading Friction Brake AdjustmentSP-175T Now ready to weld Process Guidelines Cleaning Tip And NozzleMaking a Weld Overload Protection Changing Machine Over to Feed Other Wire SizesWelding with Gmaw MIG Application Chart Accessories Optional AccessoriesK586-1 Deluxe Adjustable Gas Regulator & Hose Kit K549-1 .035 0.9 mm Innershield Welding KitReplacement Parts Innershield Fcaw ConversionMaintenance Safety Precautions MaintenanceRoutine Maintenance GUN and Cable Maintenance Configuration of Components in Wire Feeding SystemFor Magnum 100L GUN Contact Tip Cable Liner Drive RollComponent Replacement Procedures Changing the Contact TIPGUN Handle Parts Changing LinerLiner trim length Troubleshooting HOW to USE Troubleshooting GuideProblems Possible Symptoms Cause Recommended Course of ActionGAS Flow Problems Welding Problems Wiring Diagrams SP-175T Wiring DiagramSP-175T SP-175T SP-170T GroundWarnung