Lincoln Electric IM602-A manual HOW to USE Troubleshooting Guide

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TROUBLESHOOTING

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HOW TO USE TROUBLESHOOTING GUIDE

 

WARNING

Service and Repair should only be performed by Lincoln Electric Factory Trained Personnel. 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 and to avoid Electrical Shock, please observe all safety notes and precautions detailed throughout this manual.

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

Step 1. LOCATE PROBLEM (SYMPTOM).

Look under the column labeled “PROBLEM (SYMP- TOMS)”. This column describes possible symptoms that the machine may exhibit. Find the listing that best describes the symptom that the machine is exhibiting.

Step 2. POSSIBLE CAUSE.

The second column labeled “POSSIBLE CAUSE” lists the obvious external possibilities that may contribute to the machine symptom.

Step 3. RECOMMENDED COURSE OF ACTION This column provides a course of action for the Possible Cause, generally it states to contact your local Lincoln Authorized Field Service Facility.

If you do not understand or are unable to perform the Recommended Course of Action safely, 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.

DC-655

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Contents DC-655 California Proposition 65 Warnings SafetyE C T R I C S H O C K c a n kill Iii Welding and Cutting Sparks can Cause fire or explosionSûreté Pour Soudage a L’Arc Précautions DE SûretéVSAFETY ViSAFETY Thank You Table of Contents Input Hertz Input Ampere Type 80C InstallationTechnical Specifications DC-655 Height Width Depth WeightNRTL/C Nrtl Input Power Three PhaseGmaw Fcaw Smaw SAWSafety Precautions Select Suitable LocationElectrical Input Connections Input Power Supply Connections Reconnect ProcedureLOW Inductance Terminal Output ConnectionsElectrode and Work Cables Table A.1Auxiliary Power Control Connections Terminal Strip 1 T.S.1 Terminal Strip 2 T.S.2Terminal Strips Recommended Processes and Equipment OperationGeneral Description General WarningsWelding Capability Design Features and AdvantagesOutput Terminals ON/REMOTE When this Controls and SettingsPower ON/OFF Switch This tog LOCAL/REMOTE Control Switch When thisFigure B.2 Lower Case Front Controls & Connections Machine Protection Welding Performance CC Mode ARC Force CV Mode CURRENT-LIMITINGCC Mode HOT Start CC Mode ARC GougingField Installed Options AccessoriesSEMI-AUTOMATIC Wire Feeders Automatic Wire FeedersAccessories Maintenance General MaintenanceSafety Precautions HOW to USE Troubleshooting Guide TroubleshootingProblems Troubleshooting Trol circuit. #75, #76, #77 Problems Troubleshooting Troubleshooting Troubleshooting PC Board Troubleshooting Guide Control P.C. Board PC Board Troubleshooting Guide Firing P.C. Board10TROUBLESHOOTINGE-10 Negative Positive DiagramsGND Negative Positive Receptacle Convenience, this extended #21 lead should be taped to 655 Wiring Diagram for Codes 10501,10503, 10504 Diagrams Diagrams Diagrams Diagrams Aviso DE Keep your head out of fumes Turn power off before servicing