Lincoln Electric SP-255 manual TROUBLESHOOTINGE-1, HOW to USE Troubleshooting Guide

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TROUBLESHOOTINGE-1

HOW TO USE TROUBLESHOOTING GUIDE

WARNING

This Troubleshooting Guide is designed to be used by the machine Owner/Operator. Unauthorized repairs performed on this equipment may result in danger to the technician and machine operator and will invalidate your factory warranty. For your safety, please observe all safety notes and precautions detailed in the Safety Section of this manual to avoid electri-

cal shock or danger while troubleshooting this equipment.

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This Troubleshooting Guide is provided to help you locate and correct possible machine maladjustments. Simply follow the three-step procedure listed below.

Step 1. LOCATE PROBLEM (SYMPTOM). Look under the column labeled “PROBLEM (SYMPTOMS)”. This column describes pos- sible symptoms that the machine may exhibit. Find the listing that best describes the symptom that your machine is exhibit- ing.

Step 2. PERFORM EXTERNAL RECOM-

MENDED TESTS.

The second column labeled “POSSIBLE AREAS OF MISADJUSTMENT(S)” lists the obvious external possibilities that may con- tribute to the machine symptom. Perform these tests/checks in the order listed. In general, these tests can be conducted with- out removing the case wrap-around cover.

Step 3. CONSULT LOCAL AUTHORIZED

FIELD SERVICE FACILITY. If you have exhausted all of the recom- mended tests in Step 2, consult 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 LINCOLN ELECTRIC FIELD SERVICE FACILITY for assistance before you proceed.

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IDEALARC SP-255

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Contents Idealarc SP-255 Safety Depends on YouCalifornia Proposition 65 Warnings SafetyElectric Shock can kill Iii Welding Sparks can cause fire or explosionSûreté Pour Soudage a L’Arc Précautions DE SûretéThank You Master Table of Contents for ALL Sections Section E Section DSection F AppendixTechnical Specifications Idealarc SP-255 INSTALLATIONA-1Safety Precautions 2INSTALLATIONInput Power and Grounding Connections Uncrating the SP-255GUN and Cable Installation INSTALLATIONA-3Output Polarity Connection Shielding GAS 4INSTALLATIONFumes and Gases can be dangerous OPERATIONB-1Recommended Processes and Equipment 2OPERATIONWelding Capability LimitationsProcess WIRE/GAS KEY Start Mode SelectionsOPERATIONB-3 4OPERATION Procedure KeysAuto KEY Typical Auto KEY Press SequencesMemory Keys OPERATIONB-56OPERATION Timer KeysTypical Memory Number KEY Press Sequence Spot KEYOPERATIONB-7 GUN Switch KeysTypical Toggle KEY Press Sequence 8OPERATIONOPERATIONB-9 Using 4-STEP Trigger Interlock FunctionStep Trigger Interlock Keys Typical Activate KEY Press SequenceWire Drive Roll GUN SwitchesProcedure for Changing Drive Roll Wire Reel LoadingOPERATIONB-11 Idle Roll Pressure SettingTo Start the Welder Feeding Electrode12OPERATION Making AN Auto Mode WeldOPERATIONB-13 Explanation of Prompting and Error Messages Wire Feed Overload Protection14OPERATION Welding Thermal Overload ProtectionOPERATIONB-15 Operation ACCESSORIESC-1 2ACCESSORIES Disabling Spool GUN ACCESSORIESC-3Idealarc SP-255 Safety Precautions MAINTENANCED-1Cable Cleaning Routine MaintenanceLiner Removal Replacement 2MAINTENANCEGUN Handle Disassembly MAINTENANCED-3Magnum 250SP GUN Parts and Accessories Idealarc SP-255 HOW to USE Troubleshooting Guide TROUBLESHOOTINGE-1Troubleshooting Guide 2TROUBLESHOOTINGProblems Possible Areas Symptoms Misadjustments Authorized Field Service FacilityTROUBLESHOOTINGE-3 Authorized Field Service Facility 4TROUBLESHOOTINGContact your local Lincoln Function Problems TROUBLESHOOTINGE-5Contact your local Lincoln Authorized Field Service Facility 6TROUBLESHOOTINGSP-255 Wiring Diagram L9688 Dual Voltage Wiring DiagramsWiring Diagrams Dimension Print Page Page Page Page $700.00 How To Read Shop DrawingsPrecaucion Warnung Limited Warranty