Lincoln Electric IM823-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.

LN™-15 ACROSS THE ARC MODEL & (CE)

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Contents LN -15 Wire Feeder Safety California Proposition 65 WarningsElectric Shock can kill Welding and Cutting Sparks can Cause fire or explosion IiiPrécautions DE Sûreté Sûreté Pour Soudage a L’ArcSafety Safety Thank You Table of Contents Technical Specifications LN-15 K1870-1, K1870-2 CE InstallationLN-15 Across the ARC Model & CE Safety Precautions LocationWork Clip Lead High Frequency ProtectionEngine Drive Power Source Connection Power Source ConnectionWeld Cable Connections Electrode ConnectionFigure A.1 Procedure to Install Drive Rolls and Wire Guides GUN and Cable AssembliesElectrode Polarity ConnectionsFeeding Wire Electrode Safety Precautions OperationGeneral Description 83% Procedure Across the ARC ModelLN-15 POWER-UP Sequence Normal POWER-UP DisplayWelding Mode CV/CC Mode and WFS Units PREFLOW, Postflow and Burnback TimesCV/CC Mode Spring Tension ARMWFS Units Set the pressure arm as follows See Figure B.2aWire Drive Configuration Cold FEED/GAS Purge SwitchStep Trigger Interlock Switch Flow MeterSpindle Brake Shielding GAS ConnectionConstant Current Operation Figure B.3Figure B.4 CC Wire Speed Setting Making a Weld Factory Installed Equipment AccessoriesOptional Equipment Maintenance Routine MaintenancePeriodic Maintenance Calibration SpecificationTroubleshooting HOW to USE Troubleshooting GuideProblems Recommended SymptomsAuthorized Field Service Facility Course of ActionField Service Facility Your local Lincoln AuthorizedErrors on the Display Fault Code Description Possible AdjustmentsDiagrams LN-15 Across the ARC ModelDiagrams Dimension Print G4053-5LN-15 Across the ARC Model & CE LN-15 Across the ARC Model & CE LN-15 Across the ARC Model & CE Precaucion Warnung