Lincoln Electric IM723-A manual Contact your local Lincoln Authorized Field Service Facility

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E-2

TROUBLESHOOTING

E-2

 

 

 

 

Observe all Safety Guidelines detailed throughout this manual

 

 

 

 

PROBLEMS

(SYMPTOMS)

POSSIBLE AREAS OF

MISADJUSTMENTS

RECOMMENDED

COURSE OF ACTION

Cooler does not operate

1. Input cord unplugged.

 

2.

Power harness damaged.

 

3.

Water lines blocked or crimped.

 

4.

Leak in gun or water hoses.

 

5.

Coolant reservoir empty.

 

6.

The system needs to be primed.

 

 

Internal water leak.

1. Hose clamp loose on one of

 

 

internal hoses.

 

2.

Internal hose punctured.

 

3.

Heat exchanger leaking.

 

4.

Pump seal is leaking.

 

 

Torch or gun runs hot.

1. Unit placed by area of extreme

 

 

heat.

 

2.

Low coolant flow.

 

3.

No coolant flow.

 

4.

Fan not operating.

 

5.

Heat exchanger clogged.

 

6.

Pump seal is leaking

 

 

Fan operates but there is low

1. Leak in torch/gun or hoses.

coolant flow.

2. Torch/gun or hoses partially

 

 

obstructed.

 

3.

Reservoir empty or very low.

 

4.

Pump Strainer is dirty.

 

 

Fan operates but there is no

1. Pump or pump motor failure.

coolant flow.

2. Pump strainer is blocked.

 

 

Pump operates, but fan does not.

1. Loose or disconnected fan lead.

 

2.

Obstruction in fan blade.

 

3.

Fan motor failure.

 

 

 

 

 

 

If all recommended possible areas of misadjustment have been checked and the problem persists,

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

UNDER-COOLER CART

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Contents UNDER-COOLER Cart Safety California Proposition 65 WarningsElectric Shock can kill Welding Sparks can cause fire or explosion IiiPrécautions DE Sûreté Sûreté Pour Soudage a L’ArcThank You Table of Contents Installation Safety Precautions HOT Coolant can Burn SkinTAT I N G FA N B L a D E S a R E Hazardous UnpackingCoolant Connections Figure A-1Assembly of Precision TIG Input Power ConnectionSafety Precautions AssemblyFastener Quick Reference Connection of TIG TorchesOperation General DescriptionRecommended Processes Recommended EquipmentTurning the System on Cooling EfficiencyMaintenance Reservoir Coolant Level Coolant Treatment RecommendationProcedure Pump Inlet FilterAdditional Service Notes Service the pump’s inlet strainerTroubleshooting HOW to USE Troubleshooting GuideContact your local Lincoln Authorized Field Service Facility Wiring Diagram UNDER-COOLER CartK1828-1 Under-Cooler Cart Water Cooler Flow Diagram Dimension Print UNDER-COOLER Cart UNDER-COOLER Cart UNDER-COOLER Cart Precaucion Warnung