Lincoln Electric IM910 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 CONTROL CABLE MODEL (CE)

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Contents Safety Depends on You LN-15 Wire FeederCalifornia 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 Sûreté60974-10 Safety Vii Table of Contents Technical Specifications LN-15 K1871-3 CE InstallationHigh Frequency Protection InstallationSafety Precautions LocationWork Connection Power Source ConnectionEngine Drive Power Source Connection Electrode ConnectionElectrode Polarity 4INSTALLATIONA-4Connection DIAGRAM, Control Guns and Cables AssembliesProcedure to Install Drive Rolls and Wire Guides Feeding Wire ElectrodeOnly qualified personnel should perform this operation Operation Safety PrecautionsGeneral Description Figure B.1a Across the ARC ModelLN-15 POWER-UP Sequence Set the pressure arm as follows See Figure B.2a CV/CC ModeSpring Tension ARM WFS UnitsCold FEED/GAS Purge Switch Wire Drive ConfigurationShielding GAS Connection Step Trigger Interlock SwitchFlow Meter Spindle BrakeFigure B.3 Constant Current OperationFigure B.4 CC Wire Speed Setting Making a Weld Optional Equipment AccessoriesCalibration Specification MaintenanceRoutine Maintenance Periodic MaintenanceHOW to USE Troubleshooting Guide TroubleshootingContact your local Lincoln Contact your local Lincoln Authorized Field Service FacilityYour local Lincoln Authorized Field Service FacilityFault Code Description Possible Adjustments Errors on the DisplayLN-15 DiagramsDimension Print LN-15 Control Cable Model CE Aviso DE Guards off